Phylogenies can be used to test whether speciation has been sympatric or allopatric. Following figure shown a new species arises by allopatric speciation, its nearest relative will usually live in a different geographic area, such as in a nearby lake. Which of the following phylogenetic tree is correct?

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#Question id: 10850

#Section 2: Evolution

A parasite that resides within its host is a(n)

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#Question id: 16819

#Section 4: Behavioural Ecology

Name the movement of the plant in response to a magnetic field?

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#Question id: 12678

#General Aptitude

The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.) ?

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#Question id: 3485

#Section 2: Evolution

Optimal foraging involves all of the following except

A) maximizing energy gained by the forager.

B) minimizing energy expended by the forager.

C) securing essential nutrients for the forager.

D) minimizing the risk of predation on the forager.

E) maximizing the population size of the forager

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#Question id: 16837

#General Aptitude

Which figure can be formed with the given pieces?