Which of the following is a correct order of arrival in succession?
a. lichens and mosses cottonwood and willow trees Sitka spruce alders
b. flowering plants shrubs lichens fir trees
c. lichens and mosses alders and hemlock shrubs and grasses Douglas fir
d. none of the choices
d
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The visual deficit related to a misshapen cornea is ____
a. red-green color blindness b. astigmatism c. hyperopia d. myopia e. cataracts
Angiosperms are most closely related to _____.
a) bryophytes b) seedless vascular plants c) green algae d) gymnosperms e) charophyceans
Answer the following questions true (T) or false (F)
1. Proteins are not oxidized by aerobic respiration. 2. Only plants can carry out photosynthesis. 3. Oxygen is required to carry out photosynthesis.
Which of the following exert bottom-up control?
A. a disease-carrying protist B. a parasite that resides in a mammal's gut C. levels of calcium and nitrogen in the soil D. a tertiary predator with fluctuating population size