Answer:
A. Yes. All phylum members are classified together in the same kingdom
Explanation:
This because there are two broad classification of living organisms which are plants kingdom and animal kingdom which have several subdivisions under each. The phylum molluscs is under the animal kingdom because all the organism present under it are animals. The group consist of majorly eukaryotic, multicellular organisms that are heterotrophic in nature.
Size, density, and growth rate are the three main ones. There is also dispersion, age structure, and survivorship. Hope this helps!