Which of these relationships is generally not considered one that underlies community structure?

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#Question id: 3431

#Section 2: Evolution

In the territorial behavior of the stickleback fish, the red belly of one male elicits attack from another male by functioning as

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#Question id: 9156

#Section 2: Evolution

Generalized global air circulation and precipitation patterns are caused by ________.

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#Question id: 8911

#Section 2: Evolution

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

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#Question id: 10605

#Section 2: Evolution

DN/dt = rN (K-N/K )The logistic equation above is used to describe the rate of change of a population, N, with time, t, Where r is the intrinsic rate of increase and K is the carrying capacity. Which of N value will show maximum per capita growth rate?  (K= 1000, r =.05)

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#Question id: 4949

#Section 2: Evolution

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?