The competitive exclusion principle assumes that the
A) competing species have different resource requirements.
B) competing species have the same carrying capacity (K).
C) environmental conditions remain constant.
D) superior competing species will have a lower population growth rate than the inferior competitor.
C
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Which of the following tend to increase genetic variation in a population?
A. Gene flow. B. Population bottleneck. C. Nonrandom mating, resulting in inbreeding. D. Mutations, resulting in neutral variation. E. Founder effect, resulting in the decrease in allele frequency and results in inbreeding.
A cotyledon is?
A. a fragment of tissue used for reproduction in bryophytes. B. the fruit produced by flowers of angiosperms. C. the first leaf structure to arise in the embryo of an angiosperm. D. a spore-like structure used for reproduction in plants. F. the zygote formed in ferns from the union of two gametes
What does the Genuine Progress Indicator (GPI) account for that the Gross Domestic Product (GDP) does not?
A. non-market values B. the benefits of ecological services C. environmental costs D. social costs E. All of the above are correct.
The main nitrogenous waste excreted by terrestrial amphibians and mammals is
A. uric acid. B. ammonia. C. urea. D. amino acid. E. uracil.