New England salt marshes experience a greater amount of plant growth in a given area in one year than any other temperate ecosystem. What characteristic do these salt marshes have?
A) low net primary productivity (NPP)
B) high biodiversity
C) high NPP
D) an unlimited carrying capacity
C
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What events would lead to directional selection?
_____ a new allele arises that increases fitness _____ a population's main food source changes _____ a population's environment becomes increasingly heterogenous _____ heterozygotes have a fitness advantage over homozygotes
Which of the following is not true of the punctuated equilibrium theory?
a. It was inspired in part by patterns observed in the fossil record. b. It proposes that most evolutionary change is concentrated in relatively brief episodes of change. c. It suggests that subgroups diverge and evolve at about equal and constant rates. d. It suggests that most species undergo little phenotypic change during most of their evolutionary duration. e. It appears to be well supported by the fossil record.
A fifth primary taste quality called ________ allows people to taste foods like parmesan cheese, mushrooms, and soy sauce
Fill in the blank(s) with correct word
Sugars are created during:
A) anaerobic respiration. B) the light reactions of photosynthesis. C) aerobic respiration. D) the Calvin cycle of photosynthesis.