All of the following comprise the second line of defense except ________.
A. inflammation
B. fever
C. complement proteins
D. antibody production
E. phagocytosis
Answer: D
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Plastics can best be described as being:
a. persistent. b. biodegradable. c. harmless to marine animals. d. found only in areas where they are dumped. e. recyclable.
____ introduce(s) new genetic combinations of
alleles into the chromosomes.
a. Independent assortment in meiosis I b. Crossing over in meiosis II c. Breeding between the dominant individuals in the population d. Breeding between the recessive individuals in the population e. More than one of these
Four of the five choices listed below are sources of
variation in a population. Select the exception. a. mutation b. sexual reproduction c. crossing over d. independent assortment e. law of dominance
The feeding habits of adult lampreys are best described as ____.
A. suspension feeding B. predatory C. parasitic D. scavenging E. filter feeding