Nutrients reach cells in the epidermis by ________

A) moving out of blood vessels that originate in the hypodermis and extend into the epidermis
B) moving out of blood vessels in the epidermis
C) moving out of dermal blood vessels and diffusing through tissue fluid to the epidermis
D) All of the above are true.


Answer: C

Biology & Microbiology

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A) fat. B) lactic acid. C) glucose. D) carbon dioxide. E) water.

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If stretching to improve flexibility is to be beneficial, it should incorporate exercises that cause some pain.

a. true b. false

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Species that have a delayed reproductive stage, are competing for limited resources and have smaller numbers of slowly maturing large offspring show ________ adaptations.

A. K-selected B. r-selected

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