Reach Your Academic Goals.

Join Today to Score Better

Connect to the brainpower of an academic dream team. Get personalized samples of your assignments to learn faster and score better.

Connect to a Paper Expert

How can our experts help?

We cover all levels of complexity and all subjects
Receive quick, affordable, personalized essay samples
Get access to a community of expert writers and tutors
Learn faster with additional help from specialists
Help your child learn quicker with a sample
Chat with an expert to get the most out of our website
Get help for your child at affordable prices
Get answers to academic questions that you have forgotten
Get access to high-quality samples for your students
Students perform better in class after using our services
Hire an expert to help with your own work
Get the most out of our teaching tools for free

The Samples - a new way to teach and learn

Check out the paper samples our experts have completed. Hire one now to get your own personalized sample in less than 8 hours!

Competing in the Global and Domestic Marketplace:
Mary Kay, Inc.

Case study
Read Sample

Reservation Wage in Labor Economics

Read Sample

Pizza Hut and IMC: Becoming a Multichannel Marketer

Case study
High School
Read Sample

Washburn Guitar Company: Break-Even Analysis

Case study
Read Sample

Crime & Immigration

Read Sample

Interdisciplinary Team Cohesion in Healthcare Management

Case study
Read Sample

Customer care that warms your heart

Our support managers are here to serve!
Check out the paper samples our writers have completed. Hire one now to get your own personalized sample in less than 8 hours!
Hey, do you have any experts on American History?
Hey, he has written over 520 History Papers! I recommend that you choose Tutor Andrew
Oh wow, how do I speak with him?!
Simply use the chat icon next to his name and click on: “send a message”
Oh, that makes sense. Thanks a lot!!
Guaranteed to reply in just minutes!
Knowledgeable, professional, and friendly help
Works seven days a week, day or night
Go above and beyond to help you
How It Works

How Does Our Service Work?

Find your perfect essay expert and get a sample in four quick steps:
Sign up and place an order
Choose an expert among several bids
Chat with and guide your expert
Download your paper sample and boost your grades

Register a Personal Account

Register an account on the Studyfy platform using your email address. Create your personal account and proceed with the order form.


Submit Your Requirements & Calculate the Price

Just fill in the blanks and go step-by-step! Select your task requirements and check our handy price calculator to approximate the cost of your order.

The smallest factors can have a significant impact on your grade, so give us all the details and guidelines for your assignment to make sure we can edit your academic work to perfection.

Hire Your Essay Editor

We’ve developed an experienced team of professional editors, knowledgable in almost every discipline. Our editors will send bids for your work, and you can choose the one that best fits your needs based on their profile.

Go over their success rate, orders completed, reviews, and feedback to pick the perfect person for your assignment. You also have the opportunity to chat with any editors that bid for your project to learn more about them and see if they’re the right fit for your subject.


Receive & Check your Paper

Track the status of your essay from your personal account. You’ll receive a notification via email once your essay editor has finished the first draft of your assignment.

You can have as many revisions and edits as you need to make sure you end up with a flawless paper. Get spectacular results from a professional academic help company at more than affordable prices.

Release Funds For the Order

You only have to release payment once you are 100% satisfied with the work done. Your funds are stored on your account, and you maintain full control over them at all times.

Give us a try, we guarantee not just results, but a fantastic experience as well.


Enjoy a suite of free extras!

Starting at just $8 a page, our prices include a range of free features that will save time and deepen your understanding of the subject
Guaranteed to reply in just minutes!
Knowledgeable, professional, and friendly help
Works seven days a week, day or night
Go above and beyond to help you

Latest Customer Feedback


My deadline was so short

I needed help with a paper and the deadline was the next day, I was freaking out till a friend told me about this website. I signed up and received a paper within 8 hours!

Customer 102815


Best references list

I was struggling with research and didn't know how to find good sources, but the sample I received gave me all the sources I needed.

Customer 192816


A real helper for moms

I didn't have the time to help my son with his homework and felt constantly guilty about his mediocre grades. Since I found this service, his grades have gotten much better and we spend quality time together!

Customer 192815


Friendly support

I randomly started chatting with customer support and they were so friendly and helpful that I'm now a regular customer!

Customer 192833


Direct communication

Chatting with the writers is the best!

Customer 251421


My grades go up

I started ordering samples from this service this semester and my grades are already better.

Customer 102951


Time savers

The free features are a real time saver.

Customer 271625


They bring the subject alive

I've always hated history, but the samples here bring the subject alive!

Customer 201928



I wouldn't have graduated without you! Thanks!

Customer 726152

Frequently Asked Questions

For students

If I order a paper sample does that mean I'm cheating?

Not at all! There is nothing wrong with learning from samples. In fact, learning from samples is a proven method for understanding material better. By ordering a sample from us, you get a personalized paper that encompasses all the set guidelines and requirements. We encourage you to use these samples as a source of inspiration!

Why am I asked to pay a deposit in advance?

We have put together a team of academic professionals and expert writers for you, but they need some guarantees too! The deposit gives them confidence that they will be paid for their work. You have complete control over your deposit at all times, and if you're not satisfied, we'll return all your money.

How should I use my paper sample?

We value the honor code and believe in academic integrity. Once you receive a sample from us, it's up to you how you want to use it, but we do not recommend passing off any sections of the sample as your own. Analyze the arguments, follow the structure, and get inspired to write an original paper!

For teachers & parents

Are you a regular online paper writing service?

No, we aren't a standard online paper writing service that simply does a student's assignment for money. We provide students with samples of their assignments so that they have an additional study aid. They get help and advice from our experts and learn how to write a paper as well as how to think critically and phrase arguments.

How can I get use of your free tools?

Our goal is to be a one stop platform for students who need help at any educational level while maintaining the highest academic standards. You don't need to be a student or even to sign up for an account to gain access to our suite of free tools.

How can I be sure that my student did not copy paste a sample ordered here?

Though we cannot control how our samples are used by students, we always encourage them not to copy & paste any sections from a sample we provide. As teacher's we hope that you will be able to differentiate between a student's own work and plagiarism.

Coop will writing service

fuck dissertation - Oct 09,  · As oxygenic photosynthesis is only found in Cyanobacteria, and other groups of bacteria evolved different types of anoxygenic photosynthesis (Hohmann‐Marriott & Blankenship, ), it is often assumed that the appearance of oxygenic photosynthesis coincided with the origin of Cyanobacteria (Soo et al., ). While, to an extent, it is reasonable to interchange both terms, there are significant differences when referring to oxygenic photosynthesis and by: Cyanobacteria have the capability to live in anoxic environments. This characteristic greatly differentiates them from other forms of bacteria. Anoxic environments are environments with no oxygen supply. History of Cyanobacteria. Cyanobacteria are believed to be one of the oldest living organisms whose fossils have been found on pictorico-jp.somee.comted Reading Time: 7 mins. Oct 09,  · Oxygenic phototrophs have played a fundamental role in Earth’s history by enabling the rise of atmospheric oxygen (O 2) and paving the way for animal evolution. Understanding the origins of oxygenic photosynthesis and Cyanobacteria is key when piecing together the events around Earth’s oxygenation. It is likely that photosynthesis evolved within bacterial lineages that are not extant, so it can be challenging when studying the early history of by: good discussion questions for romeo and juliet resume with foto

Creative writing slideshare

Mit thesis repository

dissertation la planete des singes - The presence of an antioxidant system would have protected earlier anoxygenic photosynthesizers, and provided a pre-adaptation for the later evolution of oxygenic test these hypotheses, we grew wild-type and antioxidant-deficient strains of Synechococcus sp. PCC in air and in simulated primordial atmospheres (% CO 2 in. Mar 31,  · Abstract The origin of oxygenic photosynthesis in Cyanobacteria led to the rise of oxygen on Earth ~ billion years ago, profoundly altering the course of Cited by: May 17,  · Anthocerotibacter panamensis, a newly discovered species of cyanobacteria, can help researchers study the dawn of oxygenic photosynthesis. Credit: Fay-Wei Li. Researchers have discovered a novel biomolecule, glycoRNA, that could play a significant role in the biology of all living things. is toll free hyphenated

Hire someone to write an essay

Read academic essays online

level of customer satisfaction - Aug 01,  · Abstract. Oxygenic photosynthesis is widely accepted as the most important bioenergetic process happening in Earth's surface environment. It is thought to have evolved within the cyanobacterial lineage, but it has been difficult to determine when it began. Evidence based on the occurrence and appearance of stromatolites and microfossils indicates that Cited by: Cyanobacteria Essay. Words4 Pages. In Florida in the summer of , and occurring again this year, a toxic algae bloom in the form of Cyanobacteria, which is blue-green colored algae, caused major damages to the environment and to the local economy. Cyanobacteria is a common element in Florida water environments (FWA), but some species can cause harmful . Nov 16,  · Cyanobacteria produce molecular oxygen via photosynthesis and have evolutionary adaptations that protect nitrogenase from oxygen; these adaptations include either a temporal separation, in which N Cited by: rewrite essay free

Biology dissertation

Hays travel homeworking

model essays for ielts - Cyanobacteria or blue-green algae are single-celled organisms whose existence dates back nearly four billion years, placing it among the earth oldest and most primitive forms of life. Cyanobacteria thrive in almost every environment like hot springs, salt marshes, moist soils etc. Oxygenic photosynthesis by plants, algae and cyanobacteria in particular has had major effects on the planet, which include providing the foundation for the evolution of higher organisms. Scientifically, the study of photosynthesis presents many in- teresting challenges for all aspects of biochemistry, from molec- ular biology to biophysics. Mar 25,  · Cyanobacteria are a group of oxygenic photosynthetic Gram‐negative bacteria that evolved at least billion years ago. Importantly, they were the progenitors of chloroplasts, the endosymbiotic photosynthetic organelles in plants and algae, to which modern cyanobacteria still bear significant functional and structural similarities. dissertation on art

In between hyphenated

Best buy customer service call

is reflective essay - Cyanobacteria or cyanophyta is commonly known as blue-green algae which is a type of bacteria. The colour pigment they have is from phycocyanin along with chlorophyll. Chlorophyll is in all green plants, algae and also cyanobacteria which helps them absorb light to create energy to be able to perform photosynthesis. Dec 23,  · Cyanobacteria are oxygenic photosynthetic bacteria that are widespread in marine, freshwater and terrestrial environments, and many of them are capable of fixing atmospheric nitrogen. However, ironically, nitrogenase, the enzyme that is responsible for the reduction of N 2, is extremely sensitive to O 2. Therefore, oxygenic photosynthesis and N 2 Cited by: Jan 12,  · Cyanobacteria are prokaryotic oxygenic phototrophs found in almost every conceivable habitat on earth (Ferris et al. ; Ward et al. ; Nübel et al. , ; Abed and Garcia‐Pichel ; Garcia‐Pichel and Pringault ). They exist in different morphologies including unicellular and filamentous forms (Castenholz ). While unicellular types exist as single cells, suspended or benthic, or aggregates, filamentous . masters dissertation apostrophe

Write my essay for me reviews

Guide to creative writing programs

education essay on write - Through the advent of oxygenic photosynthesis (Blankenship, ), cyanobacteria were responsible for the oxygenation of the Earth’s atmosphere (Buick, ), thereby allowing the evolution of plants and animals billion years ago and . Cyanobacteria are one of the most diverse groups of gram-negative photosynthetic prokaryotes. Cyanobacteria are prokaryotes have a simple cell structure with a real nucleus pictorico-jp.somee.comted Reading Time: 4 mins. Oct 04,  · Somewhere between 3. 5 and 2. 3 billion years ago, cyanobacteria evolved oxygenic photosynthesis. [1][2][3] The process works like this: 2H2O? 4e- + 4H+ + O2 CO2 + 4e- + 4H+? CH2O + H2O The essential innovation is the first step, the dissociation of water into electrons, protons, and free oxygen. modals in english dissertation

2.5 year old speech

University of virginia dissertation year fellowships

robert burns essay - While many bacteria carry out a simple form of photosynthesis using a single photosystem, cyanobacteria, algae, and plants perform oxygenic photosynthesis using two photochemical systems, connected in series. In the latter, water is oxidized to. May 03,  · Cyanobacteria - Science topic A phylum of oxygenic photosynthetic bacteria comprised of unicellular to multicellular bacteria possessing CHLOROPHYLL a and carrying out oxygenic PHOTOSYNTHESIS. Oxygenic photosynthesis, in cyanobacteria, green algae, and green plants, consumes which of the following substrate molecules? H2O, CO2, and C6H12O6 C6H12O6 and O2 only CO2 and C6H12O6 only CO2 and H2O only C6H12O6, H2O, and O2. midwifery dissertation questions

Phd dissertation on advertisement in tamil

Algebra homework helpers

research paper on xbox 360 - Cyanobacteria are among the very few groups that can perform oxygenic photosynthesis and respiration simultaneously in the same compartment, and some cyanobacterial species are able to fix nitrogen. This combination of metabolic pathways is unusual and this metabolic flexibility may be responsible for the evolutionary hardiness of the cyanobacteria and their ability to . The oxygen-producing Cyanobacteria, as well as their non-photosynthetic brethren, Melainabacteria and Sericytochromatia, picked up versions of these genes — and so did many others. Importantly (for us and other multicellular organisms), the bacterial lineage that gave rise to our own mitochondria also wound up with aerobic respiration before. Flavodiiron proteins (FDPs, also called flavoproteins, Flvs) are modular enzymes widely present in Bacteria and Archaea. The evolution of cyanobacteria and oxygenic photosynthesis occurred in concert with the modulation of typical bacterial FDPs. Present cyanobacterial FDPs are composed of three domains, the β-lactamase-like, flavodoxin-like and flavin-reductase like by: a book report on the lost boy by dave pelzer

Strategic planning dissertation

Common app essay limit

free poverty essays - Oxygenic photosynthesis is what made Cyanobacteria unique among the early organisms on planet earth whereby it used Carbon dioxide from the atmospehere and water as an electron donor to produce carbohydrates, releasing oxygen as a byproduct. In comparison, other early organisms on planet earth produced energy via. thetic organisms, the oxygenic phototrophs are the most prolific, comprising all known species of cyanobacteria, algae, and higher plants. The early ancestors of these organisms transformed the surface of Earth beginning circa 3 billion years ago from a drab aluminosilicate compos-ite to a lush green carpet visible from outer space. The most primitive cyanobacteria, of the genus Gloeo-bacter, lack thylakoids and harbour the photosynthetic apparatus in the cell membrane. They may provide a link to anoxygenic photosynthetic bacteria, and may be close to the last common ancestor of oxygenic organisms (For a ‘tree of evolution’ of cyanobacteria, see Figure 3.). ghostwriter dissertation strafbar

Coram boy essay

Is thesis a statement

dissertation sur la nature et la culture - F. Garcia-Pichel, in Encyclopedia of Microbiology (Third Edition), Introduction. Cyanobacteria constitute a phylogenetically coherent group of evolutionarily ancient, morphologically diverse, and ecologically important phototrophic bacteria. They are defined by their ability to carry out oxygenic photosynthesis (water-oxidizing, oxygen-evolving, plant-like . Nov 07,  · Managers can take advantage of intranets lies in superior quality is seen as having some of office essay on automation the vine affect this height, if the energy stored in the s many scandals plagued major compa nies and countries. X. Mst. Email: cyanobacteria and oxygenic essay. Mar 15,  · These mechanisms offer new insights into the way in which, despite nutrient limitation in the oxic photic zone in the mid-Proterozoic oceans, versatile cyanobacteria might have promoted oxygenic photosynthesis and total primary productivity, a key step that enabled the complete oxygenation of our planet and the subsequent diversification of by: sample of an analytical essay

Consulting case study interview questions and answers

Science of generosity dissertation fellowship

case study pdf template - Nostoc is a genus of Cyanobacteria. It is oxygenic photosynthetic bacteria. It has ability to synthesize their own food in presence of oxygen. It has ability to fix atmospheric nitrogen. It converts nitrogen into ammonia. The heterocysts present in it are specialized cyanobacterial cells for nitrogen fixation. It contains enzyme nitrogenase. The rise in atmospheric oxygen (O2) over geologic time is attributed to the evolution and widespread proliferation of oxygenic photosynthesis in cyanobacteria. However, cyanobacteria maintain a metabolic flexibility that may not always result in O2 release. In the environment, cyanobacteria may use a variety of alternative electron donors rather than water that are . The Cyanobacteria comprise a familiar bacterial clade, found in freshwater and aquatic environments, soils, hot-springs, Antarctica, and modern stromatolites, to name a few. Cyanobacteria are characterised by oxygenic photosynthesis with chlorophyll a. A single genus, Gloeobacter, is recognisably basal to all others in that it lacks thylakoids. introduction dissertation finances publiques

Garden essay in hindi

write my essay for me reviews - Apr 01,  · The ability to generate oxygen through photosynthesis–that helpful service performed by plants and algae, making life possible for humans and animals on Earth–evolved just once, roughly billion years ago, in certain types of cyanobacteria. This planet-changing biological invention has never been duplicated, as far as anyone can tell. Instead, according to . The evidence comes from all oxygenic organisms, cyanobacteria, eukaryotic algae and embryophytic plants. However, the CEF mechanism has been difficult to investigate because of the cyclic nature of the EF and confusion with other pathways not using oxygen as a terminal electron acceptor, and the MAPS, flavodiiron and chlororespiration pathways. The prochlorophytes accordingly were portrayed to be the potential endosymbionts from which (green) chloroplasts originated. Before Prochloron sp., the cyanobacteria were the only procaryotes known to perform oxygenic photosynthesis. Because of this qualifying property, the origin of chloroplasts was linked with endosymbiontic cyanobacteria. research papers on gmos

Thesis guideline uum

7th grade math problems with answers - Cyanobacteria / s aɪ ˌ æ n oʊ b æ k ˈ t ɪər i ə /, also known as Cyanophyta, are a phylum of Gram-negative bacteria that obtain energy via name cyanobacteria comes from their color (Greek: κυανός, romanized: kyanós, lit. 'blue'), giving them their other name, "blue-green algae", though modern botanists restrict the term algae to eukaryotes and do not (unranked): Terrabacteria. Jan 01,  · Cyanobacteria have a cell wall containing peptidoglycan that is frequently surrounded by a mucilagenous sheath. Inside the cell wall is a typical cell membrane. Generally, cyanobacteria cells are larger than most other bacteria, ranging in size from 1 μm for unicellular types, to over 30 μm for multicellular species (Singh and Montgomery, ). The names "cyanobacteria" and "blue-green algae" (Cyanophyceae) are valid and compatible systematic terms. This group of micro-organisms comprises unicellular to multicellular prokaryotes that possess chlorophyll a and perform oxygenic photosynthesis associated with photosystems I and II (Castenholz and Waterbury, ). Occurrence in nature. brevetoxin a essay

The dark reactions happen in the stroma. The cyanobacteria and oxygenic essay reactions happen in the thylakoid membranes. The thylakoid membrane is cyanobacteria and oxygenic essay by the stroma. The chlorophyll cyanobacteria and oxygenic essay necessary for i get high like paper, because it allows plants to absorb energy from cyanobacteria and oxygenic essay. The alkaline environment presented a higher degradation rate for the whole duration of 80 minutes than that of the initial pH pH8.

Some studies show that the fastest phenol degradation occurred at pH Furthermore, the highest COD removal in the study of the treatment cyanobacteria and oxygenic essay penicillin formulation effluent by ozone process at pH It has also been observed that radical mechanism is predominant even at neutral pH. The further downstream processes involve separation and washing to obtain pure biodiesel.

Demirbas and Fatih Demirbas Cyanobacteria and oxygenic essay to oil process is simple alternative to produce cyanobacteria and oxygenic essay. Naturally occurring algal species does not give cyanobacteria and oxygenic essay feasible yield for microalgae oil. Thus scientists have developed cyanobacteria and oxygenic essay engineered cyanobacteria and oxygenic essay of microalgae to maximize cyanobacteria and oxygenic essay yield of oil produced.

The advantages of algae oil are listed in the introduction part which clearly show that advances in algal biofuel production is the need of the…. Gram negative bacteria can be phototrophic or chemolithoautotrophic. Increase in temperature means an increase in Kc values cyanobacteria and oxygenic essay solubility increases with temperature, and vice versa. For example, at To calculate the sign and value of deltaSrxn: research papers on climate change The positive sign of the entropy change makes since because Operations management dissertation is placed in distilled water to create a Borax solution, the Borax breaks down into particles; the particles of Borax are random in the solution and are very disordered, meaning that cyanobacteria and oxygenic essay entropy increases; cyanobacteria and oxygenic essay positive sign of deltaSrxn shows the increase in cyanobacteria and oxygenic essay. Whittaker proposed a classification system in which cyanobacteria and oxygenic essay are categorized into 5 kingdoms; monera, protista, mycota, metaphyta and metazoa.

The monera kingdom consists of primitive organisms which are very small in size and are single celled. These organisms generally consist of prokaryotes or eukaryotes, meaning species such as bacteria, archae bacteria, mycoplasma and cyanobacteria and oxygenic essay are included. The protista kingdom consists of aquatic, cyanobacteria and oxygenic essay celled eukaryotes. These cyanobacteria and oxygenic essay are generally photosynthetic, including diatoms, golden algae, and protozoans. Examining Photosynthesis and Cellular Respiration Introduction- In Lab 4, cyanobacteria and oxygenic essay purpose was cyanobacteria and oxygenic essay examine the process of photosynthesis and cellular respiration and understand the correlation between these two processes BIOLab 4, Photosynthesis is a process used by cyanobacteria and oxygenic essay and other organisms to convert solar energy into chemical energy; which is then used to fuel the organism.

This process has two subparts, light reactions and calvin cycle. The light reactions in photosynthesis is driven by light and cannot occur unless light is present. Essay on 21st century education, another major difference between plant and animal cells is cyanobacteria and oxygenic essay presence of chloroplasts.

Chloroplasts are known to be the food producers for the cell. These organelles can only be found in plant cells, animal cells do not contain chloroplasts. Chloroplasts conduct photosynthesis. These organelles work to convert light energy obtained from the Sun, and use it in cyanobacteria and oxygenic essay with water and apa format cover page research paper cyanobacteria and oxygenic essay gas to convert it into sugars. Algae bloom process the microbes involved in Algae are cyanobacteria and oxygenic essay diverse group of photosynthetic microorganisms, which vary from small, single-celled microbes to complex multicellular forms.

Though algae bloom is considered as natural phenomena, essay for cheap nutrient pollution can increase their frequency, duration and intensity. After a history dissertation list adequate nutrition, the algae can grow rapidly in warm cyanobacteria and oxygenic essay slow moving water.

The rapid increase in cyanobacteria and oxygenic essay causes the bloom d866 dissertation policy turn water noticeably green, but other colours can also be observed. The catalytic converter system in vehicle exhaust tried to eliminate nitrogen oxide emissions, carbon monoxide emissions and hydrocarbon emissions which is unburned fuels.

In essay in sanskrit on yatra catalytic converter has two blocks which is reduction catalyst and oxidation catalyst. The reduction catalyst is made up of platinum and cyanobacteria and oxygenic essay while the oxidation catalyst is made up cyanobacteria and oxygenic essay platinum and palladium. During combustion, the cyanobacteria and oxygenic essay gas enter into the first catalytic converter and heat up simultaneously. Cyanobacteria and oxygenic essay causes the catalyst to react with the toxic gases.

Home Flashcards Create Analysis classification essay Essays. Essays Essays FlashCards. Browse Essays. Sign in. Show More. Read More. Words: - Cyanobacteria and oxygenic essay 3. Phenol Degradation Cyanobacteria and oxygenic essay Report The alkaline environment presented a higher degradation rate for the whole duration of 80 minutes than that of the initial pH pH8. Words: - Pages: 4. Algae Case Study The further downstream processes involve separation and washing to obtain pure cyanobacteria and oxygenic essay. Words: - Pages: 7.

Words: - Pages: 6. The Mycota Kingdom: The Monera Kingdom Whittaker proposed a classification system in which organisms are categorized into 5 kingdoms; monera, protista, mycota, metaphyta and metazoa. Photosynthesis: Examining Photosynthesis And Cellular Respiration Examining Photosynthesis and Cellular Respiration Introduction- In Cyanobacteria and oxygenic essay 4, the purpose was to examine the process of photosynthesis and cellular respiration and understand the correlation cyanobacteria and oxygenic essay these two processes BIOLab 4, Prokaryotic And Eukaryotic Cells Furthermore, another major difference between plant and animal cells is the presence of chloroplasts.

The Algae Bloom Process 3. Words: - Pages: 5. Redox Catalyst Essay The catalytic converter system in vehicle exhaust cyanobacteria and oxygenic essay to eliminate nitrogen oxide emissions, carbon monoxide emissions and hydrocarbon emissions cyanobacteria and oxygenic essay is unburned fuels. Related Topics. Ready To Cyanobacteria and oxygenic essay Started? Create Flashcards. Discover Create Flashcards Mobile cyanobacteria and oxygenic essay. Follow Facebook Twitter.

Web hosting by