Answer:
phototropism
Explanation:
phototropism is the plant responding to external stimuli, in this case the sun.
Answer:
Algae or other microorganisms
Explanation:
Answer:
A river forms from water moving from a higher elevation to a lower elevation, all due to gravity. Flowing water finds its way down a slope initially as small creeks. As small creeks flow downhill they shape larger streams and rivers. Rivers eventually end up flowing into the oceans with much more speed than was originally there.
Hope it helps and I did it correctly and used that words I needed to.
Charles Darwin. He is a biologist most know for his theory of evolution and the process of natural selection.
