One difference is that some animals are polyp and some are medusa.
The other difference is that some animals have medusa in their life or polp in their life cycle.
Hope these two differences helps :D
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Answer:
Fiddlehead
Explanation:
Young fronds are called Fiddleheads
because of how they are coiled
Answer:
D. They react readily with oxygen in the air
Answer: heck the chemistry app itll help you i dont know this answer but the app will tell u!