The variation that arises is directed toward fixed goals, so that a species evolves in a predetermined direction by some kind of internal drive, without the aid of natural selection. This hypothesis is known as,

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#Question id: 3298

#Section 2: Evolution

Which of the following is incorrect statement?

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#Question id: 5375

#General Aptitude

A batsman scored an average of 12 runs in 7 innings in a cricket match .he played one more innings and the average , then become 14 the runs he scored in the last innings are.

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#Question id: 10849

#Section 2: Evolution

Plasmodium is transmitted from human to human by the bite of a mosquito carrier. In this scenario plasmodium is the ________, the mosquito is the ________, and _______ is the role played by the human.

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#Question id: 10830

#Section 2: Evolution

Which of the following helps a prey species avoid being detected by a predator?

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#Question id: 12102

#Section 1: Ecology

Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions

Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?