The experiment shown above demonstrates:

a. the inheritance of acquired characteristics.
b. a selective disadvantage to mice with coats that match the color of their environment.
c. a selective advantage to mice with coats that match the color of their environment.
d. A and B.
e. A and C.


C

Biology & Microbiology

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Which of the following are fetal membranes? (Check all that apply.)  

_____  chorion _____  endometrium _____  allantois _____  amnion _____  yolk sac

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The male sex hormone testosterone is secreted in response to a hormone secreted by the _____

a. testes c. pituitary gland b. ovaries d. pancreas

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Which of the following is true about the length of food chains?

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Which of the following is not an autotroph?

a. yeast b. oak tree c. cyanobacterium d. algae e. grass

Biology & Microbiology