When two organisms attempt to utilize the same resource, the result is:

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#Question id: 3312

#Section 2: Evolution

Hardy-Weinberg equilibrium, the frequencies of the two alleles A1 and A2 is 0.4 and 0.6. When you consider A2 is dominant allele of genetic disorder. The frequency of defected individuals, in population size 1000 is

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#Question id: 3491

#Section 2: Evolution

Some dogs love attention, and learns that if he barks, he gets attention. Which of the following might you use to describe this behavior?

A) The dog is displaying an instinctive fixed action pattern.

B) The dog is trying to protect its territory.

C) The dog has been classically conditioned.

D) The dog's behavior is a result of operant conditioning

E) The dog is displaying controlled by external stimuli

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#Question id: 10572

#Section 1: Ecology

In 2005, the United States had a population of approximately 295,000,000 people. If the birth rate was 13 births for every 1,000 people, approximately how many births occurred in the United States in 2005?

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#Question id: 12581

#Section 5: Applied Ecology & Evolution

Which of the following causes an increase in the intensity of UV radiation reaching the Earth? 

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#Question id: 10707

#Section 1: Ecology

Based on the intermediate disturbance hypothesis, a community’s species diversity is increased by