SP17 BSC1011 CGC CH. 33 Animal Diversity and the Evolution of Body Plans

Question 1

Which of these is not a basic kind of body plan?

Accepted Answer

cavitomate

Question 2

Which of the following germ layers is not part of the embryonic development in animals?

Accepted Answer

pseudoderm

Question 3

Which one is NOT one of the 5 key innovations that can be noted in animal evolution?

Accepted Answer

multicellularity

Question 4

What is the symmetry of sponges?

Accepted Answer

asymmetrical

Question 5

Which phylum exhibits radial symmetry?

Accepted Answer

Cnidaria

Question 6

Which of the following sponge layers are comprised of flagellated cells?

Accepted Answer

choanocyte

Question 7

The ability to obtain energy and organic molecules by ingesting other organisms is known as

Accepted Answer

heterotrophy

Question 8

Which one of the following is not an advantage of early embryonic segmentation?

Accepted Answer

segments move dependently

Question 9

Which group develops the mouth first from the blastopore?

Accepted Answer

protostomes

Question 10

The kingdom animalia is divided into what two branches?

Accepted Answer

Eumetazoa & Parazoa

Question 11

Which one forms under spiral cleavage?

Accepted Answer

Protostome

Question 12

What is a consequence of the development of bilateral symmetry?

Accepted Answer

cephalization

Questions 12