Lamarck argued that species differ from one another because they have different needs, and so use certain of their organs and appendages. This hypothesis is known as?

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#Question id: 12957

#Section 5: Applied Ecology & Evolution

Dichlorodiphenyltrichloroethane is related to the phenomenon of:

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#Question id: 12143

#Section 2: Evolution

The __________ states that two species cannot coexist indefinitely when the same resource limits both species. 

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#Question id: 9573

#Section 1: Ecology

The energy of incident solar radiation reaching the surface of the earth declines toward the poles from its maximum in equatorial regions. One cause of this phenomenon is greater absorption of solar energy by the earth's atmosphere at high latitudes. Why is this?

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#Question id: 4576

#Section 2: Evolution

Which of the following pairs of structures is least likely to represent homology?

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#Question id: 16851

#General Aptitude

Healthy food is the key to a healthy life.