Which of the following is NOT a characteristic of amphibians?

A. They have lungs.
B. They have a cartilaginous skeleton.
C. They are ectothermic.
D. They have a three-chambered heart.
E. They have vertebrae.


Answer: B. They have a cartilaginous skeleton.

Biology & Microbiology

You might also like to view...

In an acidic solution, the concentration of hydrogen ions is _________ hydroxide ions.

a. less than b. greater than c. equal to d. cannot be determined

Biology & Microbiology

Mesoglea is found in which of the following groups?

a. sponges b. cnidarians c. round worms d. annelids e. mollusks

Biology & Microbiology

The method of DNA replication, where each original strand is used as a template to build a new strand, is called the

A. disruptive method. B. replication and amplification method. C. semiconservative method. D. continuous method. E. conservative method.

Biology & Microbiology

The ________ joints have no joint cavity and usually do not permit movement. Sutures between skull bones are this kind of joint

Fill in the blank(s) with correct word

Biology & Microbiology