Climate, Land form/shape and fossils(he was most interested in this)
The food that we eat give us the energy that we have in our bodies. That energy can help us in out everyday lives .
Answer: "alga" / "algae" ;
(or, in some cases, "cyanobacterium" / "cyanobacteria").
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<u>Note</u>: This applies to marine lichens—as well as lichens on land.
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