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Everything you need to know about protists

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Why Florida's Red Tide Is Killing So Many Animals | SciShow News

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What Is A Virus ? | Best Learning Videos For Kids | Dr Binocs | Peekaboo Kidz

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Cell Vs Virus Video

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Cell vs. virus: A battle for health - Shannon Stiles

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Fungi: Why Mushrooms Are Awesome | Biology for Kids

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Microorganism Video 2- Structure of Bacteria

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Microorganism Video 2- Structure of Bacteria

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Structure of Bacteria | Biology for All | FuseSchool

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(OLD VIDEO) Bacteria: The Good, The Bad, The Kinda Gross

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Harmful algal blooms, or HABs, occur when colonies of algae-plant-like organisms that live in the sea and freshwater-grow out of control while producing toxic or harmful effects on people, fish, shellfish, marine mammals, and birds. The human illnesses caused by HABs, though rare, can be debilitating or even fatal.

While many people call these blooms 'red tides,' scientists prefer the term harmful algal bloom. One of the best known HABs in the nation occurs nearly every summer along Florida's Gulf Coast. This bloom, like many HABs, is caused by microscopic algae that produce toxins that kill fish and make shellfish dangerous to eat. The toxins may also make the surrounding air difficult to breathe. As the name suggests, the bloom of algae often turns the water red.

HABs have been reported in every U.S. coastal state, and their occurrence may be on the rise. HABs are a national concern because they affect not only the health of people and marine ecosystems, but also the 'health' of local and regional economies.

But not all algal blooms are harmful. Most blooms, in fact, are beneficial because the tiny plants are food for animals in the ocean. In fact, they are the major source of energy that fuels the ocean food web.

A small percentage of algae, however, produce powerful toxins that can kill fish, shellfish, mammals, and birds, and may directly or indirectly cause illness in people. HABs also include blooms of non-toxic species that have harmful effects on marine ecosystems. For example, when masses of algae die and decompose, the decaying process can deplete oxygen in the water, causing the water to become so low in oxygen that animals either leave the area or die.

Scientists at the National Ocean Service have been monitoring and studying this phenomenon for a number of years to determine how to detect and forecast the location of the blooms. The goal is to give communities advance warnings so they can adequately plan for and deal with the adverse environmental and health effects associated with these 'red-tide' events.

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national oceanic and atmospheric administration

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A red tide is one type of harmful algal bloom. Blooms occur when colonies of algae--simple ocean plants that live in the sea--grow out of control while producing toxic or harmful effects on people, fish, shellfish, marine mammals and birds.

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Microorganisms Powerpoint- Tell you ALL About Microbes!!! STUDY!!

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Microorganisms Powerpoint- Tell you ALL About Microbes!!! STUDY!!

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Harmful & Helpful Microorganisms Powerpoint

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Harmful & Helpful Microorganisms Powerpoint

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Microorganisms | The Dr. Binocs Show | Educational Videos For Kids

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Beneficial & Harmful Effects of Microorganisms video

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Beneficial & Harmful Effects of Microorganisms video

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Microorganisms, the Beneficial and Harmful Effects. Georgia E

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What are Antibiotics?

Antibiotics are special medicines that are given to fight certain diseases caused by bacteria and parasites. In other words, antibiotics are actually chemical substances that have the ability to kill micro-organisms that are harmful to human beings.

Kinds of Antibiotics

Antibiotics are available in the form of liquids, tablets or capsules. They can also be administered by means of injections.

Some of the naturally occurring antibiotics include ginger, honey, olive oil and such.

Antibiotics are derived from

You would be surprised to know that these wonder drugs called antibiotics are derived from other bacteria and fungi molds, the significant difference being that these bacteria and molds are not the harmful ones, but the helpful ones! These micro-organisms release chemicals that work as weapons against the harmful micro-organisms. Today, we can also synthesize some antibiotics in laboratories.

How do Antibiotics work to fight Bacterial Infections?

We fall sick when disease-causing bacteria override our immune system and start reproducing inside our bodies. We can become healthy again if these bacteria are terminated. An antibiotic can be thought of as a selective poison that attacks only the disease-causing bacteria and does not cause any harm to the healthy cells of the body.

Antibiotics are designed to kill bacteria or parasites in different ways. Sometimes it is done by inhibiting a bacterium's ability to turn glucose into energy while at other times, the antibiotics affect the bacterium's ability to construct its cell wall. When this happens, the bacterium is not able to reproduce and it dies.

2 Interesting Facts about Antibiotics

1. It is interesting to note that antibiotics only work against bacteria and some parasites. They do not work on viruses because viruses are not living life forms; they are just some pieces of DNA or RNA. So, in the case of a virus, there is nothing to 'kill'. Bacteria, on the other hand, are alive and can reproduce. Some of the common infections like cold are caused by viruses, where the antibiotics are not of much help.

2. Antibiotic Resistance : It is important for a patient to complete the entire course of antibiotics as directed by the doctor. Doctors generally prescribe a five-day or seven-day course of antibiotics which should not be broken at any cost. If the course is stopped in the middle, the bacteria are not completely killed. They become even more resistant to that antibiotic and the disease reappears.

Looking for more biology articles and videos? Go to: Biology for Kids.

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How do Antibiotics Work? - Biology for Kids | Mocomi

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Antibiotics are special medicines that are given to fight certain diseases caused by bacteria and parasites. In other words, antibiotics are actually chemical substances that have the ability to kill micro-organisms that are harmful to human beings. Antibiotics are available in the form of liquids, tablets or capsules.

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The differences between Viruses and Bacteria

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Prokaryotes & Eukaryotes- What's the difference?

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Prokaryotes & Eukaryotes- What's the difference?

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Types of Microorganisms - Science Games & Activities for Kids

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Stop a flu outbreak before it's too late using your knowledge of microorganisms. Can you work out which microorganisms are helpful and which are harmful? Learn about yeast, mould, salmonella, bacteria and other microorganisms before stopping the spreading virus by finding a vaccine. Can you save the day?