Q3 of 63 Page 176

Animals of which phylum are considered to be the first animals having true body cavity, coelom? Name the phylum.

Annelida is the first phylum to have animals with true body cavity.

Explanation: Annelida is a group commonly referred to as segmented worms, and they are found worldwide from the deepest marine sediments to the soils in our city parks and yards


More from this chapter

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1

On the basis of the presence and absence of coelom how are animals classified?

 2

Write two characteristic features of the phylum the contains the first animals with complete alimentary canal.

 4

Name the animal and its respective phylum having parapodia for locomotion.

 5

Give the characteristics of phylum/group having the largest number of animals.