Biology, asked by shalomakinleye, 10 months ago

an example of a mammal that has a sac like opening

Answers

Answered by Anonymous
8

Answer:

blue whale ......................

Answered by ridhikashastri1307
1

Answer:

Flatworms have three tissue layers: ectoderm, mesoderm and endoderm and a body plan that is acoelomate and sac-like with a single opening.

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