Answer:
Everything seems correct except the barracuda dosen't have any prey. I don't have access to the mentioned marine biologist's research journal essay, so i don't know about anything else.
Explanation:
3% is safe to drink from, however only 1% is easily accessible and safe to drink from.
Answer: the answer is that it used to be a wetter place
Explanation:
A gastrovascular cavity is a digestive sac with only a single opening. An alimentary canal has two openings (a mouth and anus) between its digestive tubes unlike the gastrovascular cavity in which food is ingested and eliminated through the same opening.
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