5 Answer in a sentence the following questions about the evolution of tusks BEFO

Question

5 Answer in a sentence the following questions about the evolution of tusks BEFORE they were hunted: a) What is the origin of tusk variation in bush elephants before hunting? b) Did tusk variation exist in the elephant populations before hunting? If so, describe that variation. c) Is variation in tusks heritable? How can you test for this? d) How was selection a factor in the presence/absence of tusks before hunting? e) What evidence would suggest that elephant tusks evolved in populations before hunting?

Explanation / Answer

Ans- A the origin of tusk variation was the geological region, their feeding habbits and their age. These factor originated the variation in tusks.

Ans-B yes, it exist before hunting and the variation was the length and width of tusk and sometime shape also.

Ans-C the variation is heritable. It can be tested by observing the tusk of consecutive progeny of a bush elephant.

Ans-D selection was a factor before hunting as sometimes help in diffrentiation of males and females and also help in detection of age.

Ans-E it can be evident from the fact that some other species also have tusk which are modified form of cannine teeth.

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