A small amount of skin is healthy because it
stimulates the production of vitamin___.
a. C
b. D
c. K
d. B12
e. E
B
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Answer the following statements true (T) or false (F)
1. Two species that occupy identical realized niches will not be able to co-exist for an extended period of time. 2. Chemical defenses are found only among animals. 3. The mimicry of coral snakes by scarlet king snakes is an example of Batesian mimicry. 4. Fleas are endoparasites.
The tiny projections of hair-like cells located on the villi are called ________. a. flagella b. brush border cells c. None of these choices
d. cilia e. microvilli
Which neurons integrate information coming into and out of the central nervous system?
a. afferent neurons b. motor neurons c. interneurons d. efferent neurons e. sensory neurons
Following running for a long distance, the muscle soreness that occurs the next day is due to chemicals released to repair damaged muscles
Indicate whether the statement is true or false