Limiting factors
a. produce more pronounced effects as a
population grows.
b. prevent a population from producing a Jshaped
curve.
c. can be either density-dependent or densityindependent.
d. act together in concert to form the
environmental resistance to population
growth.
e. have all of these characteristics
E
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Which of the following statements regarding altitude and climate are true?
I) Species composition on different sides of a mountain range are often different from each other. II) Rain shadows may appear on one side of a mountain range. III) The higher the altitude, the warmer the climate. IV) Both sides of a mountain range generally receive equal amounts of precipitation. A) only I and II B) only III and IV C) only I, II, and IV D) only II, III, and IV E) only I, II, and III
A single cell in a smoker's lung has become cancerous. It doubles its DNA and divides much faster
than a normal lung cell. The most likely change that would have caused this condition took place inthe:a. nucleus. b. nucleolus. c. microtubule. d. mitochondria. e. lysosome
The species name is given to a group of bacteria with similar characteristics
Indicate whether the statement is true or false
Ribosomes are the site of ________ synthesis
A) DNA B) glucose C) nucleoli D) protein E) RNA