Answer: Options A, B, C, D at correct
Explanation:
Cnidarians are a branch of invertebrates characterised by by a radially symmetric body including a saclike internal cavity and nematocysts; stinging structures that aids in feeding. They are also known as coelentrates. They are diploblastic (2 body layer). They also reproduce asexually by various mean including budding. Example include sea anemones, hydra, corals, jellyfish etc
I think The number of mice would increase because the birds can’t eat them if they die off
Since it takes about 7-9 months for a baby to come out it would be 7-9 months
Answer:
The farther up they go, the more recent the layers were created
Explanation: