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 » 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 » Science Biology

Photosynthesis plays an important role in the environment for several reasons as it helps clean the air because plants use the carbon dioxide in the air for photosynthesis, the plants produce oxygen as a by-product which... More » Science Biology
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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 » 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 » Science Biology

Some protists produce their own food through photosynthesis, while others obtain energy by consuming particles of organic substances, viruses and bacteria. Some protists have the unique ability to obtain nutrition using ... More » Science Biology

Some protists obtain energy through photosynthesis while others do so by digesting either hunted food or decomposing matter. Protists are a diverse group that consists of plant-like, animal-like and fungi-like organisms.... More » Science Biology