Challenge Question #3

ISELIN MIDDLE SCHOOL (ims@gorgon.com)
Thu, 06 Mar 1997 13:39:39 +0000

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The reason why a female caribou keeps her antlers during the
winter,while males drop their antlers is because the females
have a hormone called estrogen and the males have
testosterone, the sex hormones. It is because of the
estrogen that the antlers stay attached. Females need their
antlers because they need to protect their young. The males
lose or drop their antlers because they use their antlers to
fight for a female. When mateing season is over they no
longer need them.

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