In a random sample of 1000 students, pˆ = 0.80 (or 80%) were in favor of longer hours at the school library. The standard error of pˆ (the sample proportion) is

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#Question id: 10831

#Section 1: Ecology

Which of the following helps a prey species advertise to predators that it is unpalatable?

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#Question id: 12374

#Section 1: Ecology

The process in which pioneer species colonize a bare substrate such as rock, sand, or glacial till is known as

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#Question id: 12107

#Section 1: Ecology

As you study two closely related predatory insect species, the two-spot and the three-spot avenger beetles, you notice that each species seeks prey at dawn in areas without the other species. However, where their ranges overlap the two-spot avenger beetle hunts at night and the three-spot hunts in the morning. When you bring them into the laboratory, their offspring behave in the same manner. You have discovered an example of

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#Question id: 10744

#Section 1: Ecology

Something that triggers a fixed action potential (FAP) is considered to be a(n) _____________.

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#Question id: 11255

#Section 4: Behavioural Ecology

Antiherbivore defenses in Umbelliferous plants and the insects feeding on these plants has shown that: