468 questions and answers in this section
Explain why can horses sleep standing up?

Explain why can horses sleep standing up?

Horses have a specialized anatomy with sturdy limbs capable of efficiently supporting their weight without constant muscular effort. Their strong tendons and ligaments form a...

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Explain why are moths attracted to light?

Explain why are moths attracted to light?

Moths have special cells in their eyes containing light-sensitive pigments that are particularly reactive to light. These pigments primarily detect wavelengths in the ultraviolet and...

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Explain why mosquitoes are not always repelled by insect repellents?

Explain why mosquitoes are not always repelled by insect repellents?

Some mosquitoes have a genetic predisposition to resist the chemicals present in repellent products. This type of resistance is passed down from generation to generation. Over time,...

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Explain why do bears hibernate during winter?

Explain why do bears hibernate during winter?

Hibernation primarily allows bears to get through winter without struggling to find scarce or nonexistent food. In winter, their usual prey and nutritious plants largely...

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Explain why worker bees need to communicate the location of flowers?

Explain why worker bees need to communicate the location of flowers?

Bees need to clearly know where the best flowers are to save their energy and time. By precisely indicating the location of floral resources, the...

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Explain why certain species of ferns grow on tree trunks?

Explain why certain species of ferns grow on tree trunks?

These ferns exhibit clever adaptations to grow directly on trees. They often develop aerial roots capable of capturing moisture present in the air or water...

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Explain why spiders can walk on vertical surfaces without falling?

Explain why spiders can walk on vertical surfaces without falling?

Spiders have claw-like structures at the end of their legs that function as mini hooks to grip the micro-roughness of surfaces. Cool, right? Additionally, they...

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Explain why red and grey squirrels are in competition in Europe?

Explain why red and grey squirrels are in competition in Europe?

Gray squirrels (Sciurus carolinensis) are native to North America. They were introduced to Europe as early as the late 19th century, mainly in England, for...

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Explain why rattlesnakes make noise before attacking?

Explain why rattlesnakes make noise before attacking?

The typical sound of the rattlesnake comes from a special structure located at the end of its tail, called a rattle. This kind of natural...

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Explain why do platypuses lay eggs even though they are mammals?

Explain why do platypuses lay eggs even though they are mammals?

Platypuses belong to the very unique group of monotremes, the most primitive mammals that appeared about 200 million years ago. Unlike typical mammals (cats, dogs, humans) that...

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