SC 115 QUIZ 9

Question 1
2.5 out of 2.5 points

The colonial theory of animal origins states that animals
Answer

Selected Answer: evolved from heterotrophic colony-forming protists.
Correct Answer: evolved from heterotrophic colony-forming protists.

Question 2
2.5 out of 2.5 points

Which of the following organisms have an exoskeleton?
Answer

Selected Answer: Arthropods
Correct Answer: Arthropods

Question 3
2.5 out of 2.5 points

Sponges are
Answer

Selected Answer: filter feeders.
Correct Answer: filter feeders.

Question 4
2.5 out of 2.5 points

Which of the following fishes has a jaw, scales, and a cartilaginous skeleton?
Answer

Selected Answer: sharks
Correct Answer: sharks

Question 5
2.5 out of 2.5 points

Tetrapods are the direct descendants of
Answer

Selected Answer: lobe-finned fish.
Correct Answer: lobe-finned fish.

Question 6
2.5 out of 2.5 points

In amphibians, what function does the cloaca serve?
Answer

Selected Answer: all of these except locomotion
Correct Answer: all of these except locomotion

Question 7
2.5 out of 2.5 points

Which of the following is true of a population?
Answer

Selected Answer: Members of a population live together and interbreed.
Correct Answer: Members of a population live together and interbreed.

Question 8
2.5 out of 2.5 points

A group of organisms of the same species that live in a specific location is called a(n)
Answer

Selected Answer: population.
Correct Answer: population.

Question 9
2.5 out of 2.5 points

Which of the following models of growth takes place when the amount of available resources is not limiting?
Answer

Selected Answer: exponential growth
Correct Answer: exponential growth

Question 10
2.5 out of 2.5 points

A J-shaped growth curve is converted to an S-shaped one
Answer

Selected Answer: when the carrying capacity is reached.