467 questions and answers in this section
Explain why koalas only eat eucalyptus leaves.

Explain why koalas only eat eucalyptus leaves.

Koalas have a digestive system particularly well adapted to their quirky dietary choice. Their secret? An extremely developed cecum, a sort of giant digestive pouch...

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Explain why flies rub their legs?

Explain why flies rub their legs?

Flies spend quite a bit of time rubbing their legs to remove dirt and accumulated particles. Since they often hang out on potentially dirty or...

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Explain why the ruins of Machu Picchu are so well preserved?

Explain why the ruins of Machu Picchu are so well preserved?

The temperate climate and the high altitude of Machu Picchu (about 2400 meters) play a crucial role in the preservation of the ruins. Up there, the air...

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Explain why eagles were considered symbols of power in antiquity.

Explain why eagles were considered symbols of power in antiquity.

In ancient Greece, the eagle was directly associated with Zeus, the supreme god of the sky and thunder. According to legend, Zeus would send an...

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Explain why lions have voluminous manes.

Explain why lions have voluminous manes.

The thick manes of lions are primarily the result of sexual selection. Over generations, females have favored males with the most impressive manes as partners. A full...

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Explain why do some animals mark their territory in a natural way?

Explain why do some animals mark their territory in a natural way?

Animals primarily mark their territory to secure their needs for food, shelter, and opportunities for reproduction. Having a personal territory allows an individual or a...

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Explain why sloths so rarely come down from their tree?

Explain why sloths so rarely come down from their tree?

Sloths spend almost all their time hanging upside down in trees, firmly gripping the branches with their long claws. This inverted posture allows sloths to...

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Explain why ladybugs are considered lucky charms?

Explain why ladybugs are considered lucky charms?

Since the Middle Ages, ladybugs have been associated with luck and divine protection. At that time, an infestation of aphids regularly destroyed crops, threatening agricultural...

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Explain why fishing enthusiasts sometimes use corn as bait?

Explain why fishing enthusiasts sometimes use corn as bait?

Corn is a formidable bait because it has a bright color that quickly captures the attention of fish. Its visual contrast makes it highly visible...

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Explain why some fish can produce sounds?

Explain why some fish can produce sounds?

The ability to produce sound in certain fish mainly stems from a vital need: to communicate. Most use these sound signals to attract a mate, intimidate a...

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