Algae Academy

Algae are photoautotrophs. What does that mean?

• algae love to get their photos taken

• algae are afraid of light

• algae make their own food using sunlight

• algae must consume organisms that make their own food

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Which of the following do algae need to live? Select all that apply.

• carbon dioxide

• water

• nitrogen

• phosphorous

• sunlight

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Chlorophyll, carotenoids, phycocyanin, and phycoerythrin are all examples of pigments that help algae do what?

• capture sunlight for photosynthesis

• communicate with other algae

• avoid being eaten in the ocean

• glow in the dark

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What percentage of the world's oxygen is produced by algae?

• 25%

• 78%

• 35%

• 50%

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What is a scientist who studies algae called?

• alganist

• phycologist

• physicist

• psycologist

Algae is often added to food products and used as supplements due to its health benefits.

• True

• False

Algae can be used to make biofuels due to its high ______ content.

• lipid

• protein

• chlorophyll

• cholesterol

Which gas do algae remove from the atmosphere during photosynthesis?

• oxygen

• nitrogen

• carbon dioxide

• water vapor

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Algae are a beneficial food crop because they grow quickly and they can grow on otherwise unusable land.

• True

• False

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Some algae cause harmful algal blooms that can be toxic to humans and other animals.

• True

• False

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