The variable in the butterfly experiment is

a. butterfly wing pattern color.
b. butterfly species.
c. bird predator species.
d. rainforest region used.
e. percentage of survivors.


Answer: a

Biology & Microbiology

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Which of the following best explains why food is not energy?

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What type of symbiotic relationship is exemplified by mycorrhizal fungi?

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Because oxygen is more electronegative than hydrogen, the water molecule is

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