When Do Worms Turn?
If the earthworm detects an unfamiliar object next to its skin, the muscles will contract immediately and the body will turn to avoid the object. The worm will also...
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What Is a Praying Mantis?
What Is a Praying Mantis? The praying mantis is an insect belonging to the family Mantodea that contains over 2,400 species and about 430 genera in 15 families. The...
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Why Can Owls See Well at Night?
Why Can Owls See Well at Night? The night vision of owls is hundred times as keen as that of human beings, because their eyes are especially adapted for seeing in the...
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When Do Sharks Attack Humans?
When Do Sharks Attack Humans? Some sharks may attack human beings if attracted by underwater noises, erratic swimming, and the presence of a large number of bathers, or...
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Why Are Bird’s Eggs Rounded?
Why Are Bird’s Eggs Rounded? The roundness of an egg allows pressures to be applied from the outside which would break it if applied from the inside. Thus a helpless...
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