4. Structures that are shed in one piece include

(a) the cuticle of roundworms.
(b) the exoskeleton of arthropods.
(c) human hair.
(d) all of the above.


(d) all of the above.

Biology & Microbiology

You might also like to view...

Which of the following would NOT be a function of bone?

a. movement of the body b. support c. hormone secretion d. mineral storage e. blood cell formation

Biology & Microbiology

The use of organisms to develop useful products is called:a

bioengineering. b. in vitro gene technology. c. biotechnology. d. recombinant DNA technology. e. genetic engineering.

Biology & Microbiology

The failure of sister chromatids to separate during meiosis is called

a. crossing-over. b. tetrad formation. c. disjunction. d. nondisjunction.

Biology & Microbiology

Intermittent sterilization is also called tyndallization.

a. true b. false

Biology & Microbiology