Insects are well known for their:
A. hydrostatic skeletons.
B. striated muscles.
C. endoskeletons.
D. exoskeletons.
D
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Which of the following is associated with the axial skeleton?
a. humerus b. sacrum c. hyoid bone d. femur
Which of the following statements is false?
a. Connective tissue of the cervix weakens during the final weeks of pregnancy. b. It is not possible for a woman to become pregnant after engaging in intercourse if the male does not ejaculate. c. The rupture of the amniotic sac with the release of its fluid is one of the events that usually precedes birth. d. After the baby is born, uterine contractions continue so that the placenta is expelled. e. Just as females should examine their breasts each month for possible lumps, males should also self-examine their testes for lumps that possibly indicate cancer.
Compare and contrast the cyclic and noncyclic electron transport pathways of photosynthesis. What will be an ideal response?
Natural selection means most nearly the same as:
a) differential reproductive success. b) diploidy. c) non-random mating. d) genetic drift. e) gene flow.