Based on this information, is herbicide resistance an adaptation in this population?
a. Because it gives organisms an advantage in terms of survival and reproduction when
herbicides are sprayed, it would be considered an adaptation.
b. Because plants that don’t have herbicide resistance produce more offspring, it would not
be considered an adaptation.
c. Selection pressures vary with the environment, so this trait would be considered an
adaptation in certain environments.
d. Because this trait is only advantageous in certain environments, it would not be considered
an adaptation
C
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In human embryonic development, which of the following pairs of hormones are released by the developing testes and result in development of the male reproductive tract and inhibition of the female reproductive tract?
A) testosterone and estrogen B) estrogen and progesterone C) testosterone and Müllerian inhibitory substance D) estradiol and estrogen E) testosterone and estradiol
The surest way to diagnose cancer is through ____
a. DNA probes b. biopsies c. x-rays d. MRI imaging
e. radioactive monoclonal antibodiesA major change occurring in the evolution of eukaryotes from prokaryotes was the development of:
A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus
Which of the following tests do NOT detect an immune response to a virus infection?
A) a viral neutralization test B) a direct immunofluorescent antibody test C) a viral hemagglutination test D) a complement fixation test E) a direct ELISA