The birth rate in a population of 400 feral cats
is 100 per year. The death rate in this same
population is 40 per year. The per capita
growth rate of this population of feral cats is
___ per cat per year.
a. .25
b. .1
c. .15
d. .4
e. 0
C
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Plants that produce flowers are
(a) members of the Anthophyta. (b) angiosperms. (c) seed producers. (d) all of the above.
Which of the following statements is TRUE? Which of the following statements is TRUE?
Greenhouse gases block
A. carbon dioxide molecules escape from Earth. B. heat escape from Earth. C. oxygen molecules escape from Earth. D. UV wavelengths escape from Earth. E. UV wavelengths from reaching Earth's surface.
Which of the following plants contains nitrogen-fixing bacteria in its root nodules?
A) Potatoes B) Corn C) Oranges D) Tomatoes E) Soybeans