Which of the Following Is a Hypothesis Generated by Biologists

question 96

Multiple Choice

Which of the following is a hypothesis generated by biologists to explain species richness gradients?

• A) Greater competition in the tropics has led to narrower niches and thus more species in the tropics than elsewhere.
• B) The lack of mutualisms in the higher latitudes limits the number of species in high latitude communities.
• C) Intense predation in the polar regions limits the number of species that can live there.
• D) Both a and b
• E) Both b and c

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Definitions:

Population Mean

The average value of all the data points in a population, representing the central tendency of the dataset.

Stratified Sampling

A sampling method that divides the population into smaller groups, or strata, based on shared attributes or characteristics before sampling to ensure a more representative sample.

Sampling Method

A technique used in statistics to select a subset of individuals from a population to estimate characteristics of the whole population.

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Goods sold directly to the consumer for personal, family, or household use, as opposed to products intended for industrial or commercial use.