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Algae, a type of protist, supports life on earth by producing much of the oxygen present in the atmosphere. Some protists, such as diatoms, dinoflagellates and foraminiferans, also play an essential role in marine ecosys... More »

www.reference.com Science Biology

Various protist species are important to humans because they are the primary producers at the base of the food pyramid, turning the energy from the sun into a form that can be passed from organism to organism up the food... More »

www.reference.com Science Biology

Earth is unique in that scientists have found the planet to be the only one to have liquid water on its surface, intelligent life forms living on it, a moon that helps regulate surface temperatures, an atmosphere with 21... More »

www.reference.com Science Astronomy Planets
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Algae has many effects on human life, but its most important contribution is that it produces the majority of oxygen on earth, without which humans and animals would suffocate. Algae is also responsible for the number on... More »

www.reference.com Science Biology

The roles of protists include producing and using energy, recycling living systems into constituent nutrients, acting as biological control agents, synthesizing oxygen, and engaging in symbiotic relationships. Protists h... More »

www.reference.com Science Biology

According to the CK-12 Foundation, protists are helpful to humans because they produce oxygen, are used in medical research, are an important part of the food chain and are even used in food. In fact, protists help to re... More »

www.reference.com Science Biology

Algae are a type of plant that usually grows on the surface of still water, such as a small pond, when there is an ecological imbalance. In some cases, algae is able to grow at a rapid rate, potentially spreading across ... More »

www.reference.com Science Biology