Exam 4 Review part 1

Question 1

Jelly fish have a stinging mechanism for defense. What is this called?

Accepted Answer

Cnidocyte

Question 2

More complex animals tend to have which type of body plan?

Accepted Answer

Bilateral

Question 3

Which of the following incorrectly pairs the germ layer to one of its mature structure?

Accepted Answer

Endoderm and lungs

Question 4

Which animal has radial symmetry?

Accepted Answer

Jelly Fish

Question 5

All animals can reproduce sexually, while only some can reproduce asexually.

Accepted Answer

True

Question 6

After moving on to land, tetrapods needed adaptations to help:

Accepted Answer

Conserve water and prevent desiccation of embryos

Question 7

A variety of new body forms developed during the Cambrian explosion. Which of the following is a possible explanation?

Accepted Answer

Evolution of HOX genes

Question 8

You can be triploblastic and still be an acoelomate.

Accepted Answer

True

Question 9

What is a common characteristic in the group known as gnathostomes?

Accepted Answer

Presence of a lateral line

Question 10

The most diverse group in the animal kingdom is:

Accepted Answer

Insects

Question 11

In order to continue growing, many arthropods molt. This is due to:

Accepted Answer

Chitin based exoskeleton

Questions 11