Banner-tailed kangaroo rats, Dipodomys spectabilis, are rodents endemic to (found only in) the deserts of the southwestern United States. Which of the following is the best description of their niche?
A. seed-eating rodents that compete with
other seed-eating organisms for food
B. found in parts of Arizona, New Mexico,
Texas, and Mexico
C. found primarily in Sonoran and
Chihuahuan deserts
D. found only in arid habitats
E. found primarily in areas with relatively
heavy soils
A
You might also like to view...
A DNA molecule containing 32% thymine would contain how much cytosine?
A. 18% B. 32% C. 36% D. 64%
The most common measurement of energy in biological systems is the kilocalorie. This is the amount of energy that would be required to raise the temperature of what quantity of water one degree Celsius?
A. 0.1 g B. 1 g C. 10 g D. 1,000 g E. 10,000 g
Refer to Figure 50-2. The function of the structure labeled 3 is:
a. to secrete an alkaline fluid that neutralizes the acids of the vagina. b. to produce a nutritive fluid for the sperm. c. to provide a place for maturation and storage of sperm. d. to secrete mucus that lubricates the penis. e. None of these.
Choose the letter of the best match from the following:A. abscisic acidB. auxinC. ethyleneD. cytokininE. gibberellinIts defoliant effects were first noticed when it leaked from gas lights; later found to be produced by plants themselves.
Fill in the blank(s) with the appropriate word(s).