The part of the male reproductive system where sperm complete fertilization is the
A. epididymis. D. seminal vesicle.
B. bulbourethral gland. E. ejaculatory duct.
C. testis.
A
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Comparing the evolution of domesticated dogs to the evolution of wolves over the same time period illustrates what relationship between artificial and natural selection?
A. Artificial selection is slower than natural selection. B. Artificial selection is reversible; natural selection is not. C. Artificial selection is more likely to produce maladaptive structures than natural selection. D. Artificial selection cannot produce changes as large as changes produced by natural selection. E. In artificial selection, the magnitude of the selection pressure can be varied; in natural selection, it cannot.
The adaptive significance of sexual reproduction is that it:
A. diversifies genotypes thereby allowing faster evolutionary responses to changing environments B. is more fun than asexual reproduction C. is more rapid than sexual reproduction D. promotes the dispersal of individuals more effectively E. All of the other choices provided are incorrect
What key words does the question contain and what do they mean?
What will be an ideal response?
Which of the following diseases make up chronic obstructive pulmonary disease (COPD)?
Select one: a. emphysema, chronic bronchitis, and asthma b. emphysema, tuberculosis, and cystic fibrosis c. chronic bronchitis, tuberculosis, and pulmonary fibrosis d. tuberculosis, cystic fibrosis, and asthma e. pulmonary fibrosis, asthma, and cystic fibrosis