Flycatcher birds that migrate from Africa to Europe feed their nestlings mostly with moth caterpillars. The data presented show the mean dates of egg laying, hatching, and fledging of flycatcher young, and the 1980 and 2000 peak mass of caterpillars.

The most likely cause for the shift in caterpillar peak mass is

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#Question id: 10619

#Section 1: Ecology

Which of the following is incorrect?

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#Question id: 16845

#General Aptitude

Keep your eyes peeled

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#Question id: 10707

#Section 1: Ecology

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

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#Question id: 4609

#Section 2: Evolution

Pseudogenes are ________.

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#Question id: 10734

#Section 1: Ecology

This term is a measure of the ability of a system to resist change in the face of outside influences.