Sunlight (it is used by zooplankton which are the bases of all life in the marine ecosystem)
Answer:
A. Urinary system its the one system that holds waste
Explanation:
Explanation:
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Answer:
The genetic variations that are best suited for their enviornment
Explanation:
Those that are not well suited for their environment will die off, leaving only the ones that are suited for it. This species will slowly take hold until the species has adapted and become a completely different one.
Answer:
D
Explanation:
Trees give food
Tourist come to see trees sometimes
Medicine sometimes comes from tree herbs
That's all I know..hope it helps