I would think the public waters source due to bacteria contamination
Answer:
D.
Explanation:
we learned about this in living environment! for example: humans used to have tails but the humans without tails offspringed with the ones with tails causing the genetics to take over making different traits appear in offspring. Therefor, the answer is D.
Answer:
secondary consumer
Explanation:
They are the least because they play a less important role in the ecosystems.
So what's the question here?<span />
Pretty sure B would be the answer