The viceroy butterfly (limenitis archippus) resembles the queen butterfly (danaus gilippus), a species toxic to birds because of alkaloids it stores during larval development from the milkweeds it feeds upon. The viceroy butterfly is an example of what kind of defense against predation?

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#Question id: 12339

#Section 1: Ecology

If a species is a keystone predator, then its removal from a community should

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#Question id: 9154

#Section 2: Evolution

The main reason polar regions are cooler than the equator is that ________.

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#Question id: 12150

#Section 2: Evolution

You are studying population dynamics in three species of small aquatic invertebrates called water fleas. Among these species, which is most likely to exhibit regular population cycles? 

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#Question id: 11243

#Section 1: Ecology

Which of the following would be a hermaphrodite?

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#Question id: 10585

#Section 1: Ecology

Per capita birth rate of this population is b and per capita death rate of population is d, N is a population size. What is yield of population per unit time as?