Figure 31.14
The bracket indicated by the letter "A" in the accompanying figure is ____.
A. the epidermis
B. a sweat gland
C. the dermis
D. the hypodermis
E. a hair follicle
Answer: A
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A newly evolved species may take over an ecological role or ecological niche that is already occupied
if the new species has:a. the ability to alter or change the environmental parameters. b. features that make it competitively superior to the original occupant of that niche. c. the ability to evolve through natural selection, whereas the original occupant cannot continue to evolve. d. the ability to grow to a larger size, thus providing it with a selective advantage. e. fitness that is almost as high as the fitness of the original species.
One form of hereditary blindness is inherited through a mutation in mitochondrial genes. Which of the following is a CORRECT statement about this condition?
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The cell wall is a common feature to
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