Which of the following best describes the scientists' initial observations?
a. Woodrat nests had no apparent effect on cactus populations.
b. Cactus plants were less common close to woodrat nests.
c. Cactus plants were more common close to woodrat nests.
d. Cactus plants and woodrat nests were mutually exclusive.
e. The effect of woodrats on cactus plants was different from season to season.
C
You might also like to view...
____________________ is the ability of water to pull itself upward through small openings against gravity
Fill in the blank(s) with correct word
Streams return to equilibrium by triggering ________.
A. hydrological forcing B. hydrostatic forces C. negative-feedback mechanisms D. status quo forcing E. positive-feedback mechanisms
For blue Suns to appear, the size of the suspended particles must be ____
a. shorter than infrared wavelengths b. similar to ultraviolet wavelengths c. shorter than the primary wavelengths of visible light d. similar to the primary wavelengths of visible light e. similar to the primary wavelengths of visible light
A joint can be distinguished from a fault in that ________
A) there is wider separation between two sides B) joints are a feature of cold climates exclusively C) there is no difference between joints and faults D) there is no movement along joints E) joints are not found in metamorphic rocks