Which type of tissue covers body surfaces and lines body cavities?
A. connective tissue
B. muscular tissue
C. nervous tissue
D. vascular tissue
E. epithelial tissue
Answer: E
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The term evolution is used to describe
A. heritable changes in characteristics of a population from one generation to the next. B. any change in an individual that can be observed. C. changes in the number of individuals in a population due to mating. D. the ability of an individual organism to pass on what it has learned, through experience, to the next generation. E. any change in an individual organism that occurs in somatic cells.
__________ sense pain. Fill in the blank(s) with the appropriate word(s)
Which of the following is a Gram-negative bacterium that acts as a predator on other Gram-negative bacteria, and might be used to control populations of Gram-negative human pathogens in locations such as poultry farms?
A. Salmonella enteritidis B. Vibrio choerae C. Bdellovibrio D. E. coli
If you found a vertebrate skull in the woods and the teeth were sharp and scissor-like, what type of food would you expect this animal to eat?
A) grass B) flesh of another animal C) nectar D) blood