Answer:
Eukaryotic cells have a nucleus, a membrane-bound chamber where DNA is stored, while prokaryotic cells don't. This is the feature that formally separates the two groups. Eukaryotes usually have other membrane-bound organelles in addition to the nucleus, while prokaryotes don't.
Explanation:
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The structure that mollusks use to excrete wastes is known by the name of nephridia. Among all the options that are given in the question, the correct option is option "b". Mollusk is the other name for shellfish. there are three varieties of shell fish present. Hatcher footed, Belly footed and head footed variety of shellfish are available.
They live about 2 weeks to 3 weeks I think and they probably would die in 4 days.
Since the planet is 0.72 AU distance from the sun it would be D. Venus