The most abundant gas in the earth’s atmosphere is
a. oxygen.
b. water vapor.
c. argon.
d. nitrogen.
e. carbon dioxide.
Answer: d
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Over generations in a population, individuals with higher fitness values will
A. become less prevalent due to natural selection against them. B. become more prevalent. C. stay at the same frequency in the population. D. become less prevalent due to their having less stamina. E. become less prevalent due to natural selection against them and become less prevalent due to their having less stamina are correct.
The largest bone in the human body is the _____
a. pelvis b. tibia c. ulna d. femur e. skull
The parasitic disease, caused by an apicomplexan that involves infected cats in its life cycle is
A. cyclosporiasis. B. toxoplasmosis. C. babesiosis. D. cryptosporidiosis. E. None of the choices are correct.
Which of the following would be a valid, general pattern seen in generation time?
A) The larger the species is, the longer its generation time tends to be. B) All vertebrates have long generation times. C) Nearly all K-selected organisms have short generation times. D) Species with the fastest growth rates have the longest generation times.