Why Do We Have Kidneys?
Why Do We Have Kidneys? Our kidneys perform four functions, of which the most obvious is the ejection of waste materials containing nitrogen from the body. They also...
Read MoreWhy Do We Have Kidneys? Our kidneys perform four functions, of which the most obvious is the ejection of waste materials containing nitrogen from the body. They also...
Read MoreWhere Does a Bee Keep Its Sting? A bee keeps its sting at the end of its abdomen. At the tip of a bee’s abdomen is a shaft where its stinging thorn is to be...
Read MoreWhen Does the Male Stickleback Turn Red? The male stickleback’s belly turns red at the start of the breeding season in spring. This shade helps to attract females...
Read MoreWhen Do Drones Die? Drones die off or are ejected from the hive by the worker bees in late autumn, and do not reappear in the bee hive until late spring. An Apis cerana...
Read MoreWhen Does a Hermit Crab Change Its Shell? A hermit crab changes its shell when it has grown large enough to need a bigger home. This type of crab has a soft abdomen or...
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