Biology, asked by ramachandra1, 1 year ago

why are hereditary variations important?

Answers

Answered by nimmi5

Because if it is not there then all people around us will be same and we can't identify one another. But some features could be same because of genes.

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ramachandra1: then how the parental bird can identify its young one? By outer look they look identical

nimmi5: Nice question but they too don't look alike spent some time with them and u will see the special features of that bird and get to know how they are different from others . I define your pet dog from the stay dogs .

ramachandra1: i agree with the dogs but not with the birds.have u experienced with the birds?

nimmi5: No but see by adopting one. Some feature are not alike.I bet.

ramachandra1: ok then i have another question.how do we get tears

nimmi5: ya a a another good questions .

nimmi5: Because of the glands present . and because of tear ducts and lacriminal ducts.okay .I have answer of every questions . and let send me all curious questions as our mam says that we will discuss all curious questions of the week and I ask those too.

ramachandra1: from where do the lacrymal glands get the watery secretions

nimmi5: It's natural yr

Answered by NEEThunter

Because variation is important for survival of a species..... Suppose all the members in a species living in a cold region are same and then climate becomes warm due to global warming... As a result all the members will die if they couldn't tolerate the high temperature.. If there were variations in some members they could tolerate the climate change and hence the species would survive....

NEEThunter: if you liked it mark it brainliest

ramachandra1: then how a bird identifies its baby bird.for us from external look all the birds of a same species or a group(like crow) look identical

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