The primary function of the blood is
A. transportation.
B. metabolism.
C. increasing temperature.
D. to supply the lymphatic system.
A. transportation.
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The major difference between the human male and female reproductive systems is the
a. provision of a site for fertilization and embryo development in the female. b. production of haploid gametes only by the male. c. diploid polar bodies of the female. d. generation of millions of eggs but only thousands of sperm each month. e. presence of a duct system opening to the body's exterior only in females.
The cecum is
a. the first part of the large intestine. b. connects to the rectum. c. between the stomach and the small intestine. d. a producer of enzymes for digestion in the small intestine. e. more than one of these
The physical place where members of a population typically live is termed a
A. symbiont. B. niche. C. habitat. D. community. E. competitive zone.
Which of the following statements is true about
honeybees? a. Each bee can sting multiple times. b. Africanized bees respond to threats much faster than European bees c. “Killer bees” often kill their target. d. Africanized bees make more venom than European bees. e. All of these are true.