Accuracy in EAP

Proofreading written English

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Comparative studies of animals help to show how man's space requirements are influenced by his environment. In animals we can observe the direction, the rate, and the extent of changes in behaviour that follow changes in space available to them as we can never hope to do in men. For one thing, by using animals it is possible to accelerate time, since animal generations are relatively short. A scientist can, in forty years, observe four hundred and forty generations of mice, while he has in the same span of time seen only two generations of his own kind. And, of course, he can be more detached about the fate of animals.

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