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the graph in figure 5–3 shows the changes in a mosquito population. what caused the changes seen in the graph?

a. a density-dependent limiting factor
b. an increase in resources
c. a density-independent limiting factor
d. a decrease in predation.

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

Crossing over is a method of (blank)?