The duckbill platypus is different than most mammals because it
A. doesn't secrete milk.
B. lacks hair.
C. doesn't give birth, but lays eggs.
D. is "cold-blooded."
E. All of the choices are correct.
Answer: C
You might also like to view...
The maximum useful magnification for a light microscope is about
(a) 100X. (b) 1000X. (c) 10,000X. (d) 100,000X.
The respiratory surface of an earthworm is located in the _____
a. lungs b. gills c. skin d. gastrovascular cavities e. trachea
A blastocyst ____
a. releases hormones in the myometrium b. releases the egg into the oviduct c. implants in the endometrium d. matures into a chorion e. metabolically supports embryonic and fetal development
Which of the following membrane lipids does not contain a fatty acid tail?
(a) phosphatidylcholine (b) a glycolipid (c) phosphatidylserine (d) cholesterol