Which of the Following Statements Best Describes the Interaction Between

question 80

Multiple Choice

Which of the following statements best describes the interaction between fire and ecosystems?

• A)The likelihood of a wildfire occurring in a given ecosystem is highly predictable over the short term.
• B)Many kinds of plants and plant communities have adapted to frequent fires.
• C)The suppression of forest fires by man has prevented certain communities, such as grasslands, from reaching their climax stage.
• D)Chaparral communities have evolved to the extent that they rarely burn.

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Definitions:

Recombination

A genetic process resulting in a mixture of parental characteristics in offspring due to the exchange of genetic material between chromosomes during sexual reproduction.

Phenotypic Plasticity

The ability of an organism to change its phenotype in response to changes in the environment.

Genetic Variation

The diversity of gene frequencies within a population, which drives evolution by enabling adaptation to changing environments.

Heritability

The proportion of observed variation in a particular trait, within a population, that can be attributed to inherited genetic factors as opposed to environmental influences.