The meningeal worm matures into an adult in the white-tailed deer. The deer are referred to as
A) an intermediate host.
B) a definitive host.
C) an intermediate vector.
D) a definitive vector.
B
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The apples from the apple trees Johnny
Appleseed sold to homesteaders were mainly used to make
a. pies. b. apple juice. c. hard cider. d. jam. e. sauce.
Properties of effective antigens include all of the following except
A. they are large molecules with a minimum molecular weight of 1,000. B. they have molecular complexity. C. they are foreign to the immune system. D. they are cells or large, complex molecules. E. they are large polymers made up of repeating subunits.
A case of more than one gene influencing one phenotypic characteristic is called
A. pleiotropy. B. polygenic inheritance. C. X-linked. D. monohybrid.
In invertebrates with open circulatory systems, hemolymph is composed of:
A. plasma. B. interstitial fluid. C. plasma plus intracellular fluid. D. plasma plus interstitial fluid.