As you are walking along a beach, you find an animal and believe that it belongs to the class Asteroidea. Which of the following characteristics would support your hypothesis that the animal is a sea star and not another type of echinoderm?
A) It is pentaradially symmetric.
B) It feeds on other animals.
C) It has a hydrostatic skeleton, formed from its water vascular system.
D) Its central region is not well-delineated from its appendages.
D
You might also like to view...
A change in a population that is NOT related strictly to the size of the population is best described as
a. density-dependent. b. density-independent. c. within. d. an S-shaped curve. e. a J-shaped curve.
In order to understand the carbon cycle, it is important to recognize where carbon can be found on earth. Carbon can be found in
What will be an ideal response?
In the figure, the pattern of divergent evolution is best illustrated by
A. A.
B. B.
C. C.
D. None is a good illustration of divergent evolution.
What nitrogenous bases is found in DNA but not in RNA?
What will be an ideal response?