The data from the butterfly experiment
reflected which of the following?
a. natural selection
b. food choices by predators
c. the ability of birds to find the prey
d. the role of mimicry
e. all of these
E
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In most food webs, chain lengths are
A. complex. B. long. C. short. D. sixteen. E. two.
Male mallards have had emerald green head
feathers and wings with metallic blue patches for hundreds of years, whereas female mallards have been drab, brown-feathered ducks. This phenotypic situation suggests that mallards may be an example of a. directional selection. b. polyploidy. c. allopatric speciation. d. disruptive selection. e. sexual selection.
During aerobic respiration, nutrients are ____ to carbon dioxide and water
a. reduced b. oxidized c. fermented d. anabolized e. catabolized
In an existing population of plants and mycorrhizae, disease strikes and the mycorrhizae are killed. Which of the following would be impacted? Check all that apply.
A. the supply of organic food to the plant B. the binding of the soil and erosion C. the water supply to the plant D. the availability of mineral nutrients to the plant