241 questions and answers in this section

Animals and Nature » Biodiversity

Explain why sharks have such a bad reputation?

Explain why sharks have such a bad reputation?

Since the release of the movie Jaws in 1975, sharks have become true bloodthirsty monsters in the eyes of the general public. Hollywood often highlights...

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Explain why elephants do not get cancer?

Explain why elephants do not get cancer?

In elephants, cells have rather effective strategies against cancer. These giants possess significantly more copies of a gene called TP53, well-known as the "guardian of...

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Explain why sequoias are the tallest trees in the world?

Explain why sequoias are the tallest trees in the world?

Sequoias thrive in mild and humid climates. They mainly grow along the Californian coasts where the sea air brings constant moisture through frequent fog. This...

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Explain why seahorses hold onto their tails.

Explain why seahorses hold onto their tails.

Seahorses have this intriguing behavior of holding onto each other's tails primarily to stay in place! Since their swimming is very slow, clinging together or...

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Explain why sharks never sleep.

Explain why sharks never sleep.

Unlike us, sharks do not have the ability to actively swallow water. For oxygen to reach their gills, many sharks must constantly swim with their...

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Explain why walruses have such a large amount of subcutaneous fat?

Explain why walruses have such a large amount of subcutaneous fat?

Walruses live in icy waters, where temperatures can easily drop below 0 °C. To avoid freezing to death, they rely on a thick layer of...

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Explain why seahorses use their tail to cling?

Explain why seahorses use their tail to cling?

The tail of seahorses is distinctive because, unlike that of many other fish, it is prehensile, meaning it can easily curl and grip. It has...

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Explain why rubbing your fingers together warms them up?

Explain why rubbing your fingers together warms them up?

When you rub your fingers together, you exert a mechanical force. This action creates a resistance called friction, which opposes motion. As a result, some...

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Explain why the lemurs of Madagascar are found nowhere else.

Explain why the lemurs of Madagascar are found nowhere else.

Madagascar is a large island isolated from mainland Africa by the Mozambique Channel, about 400 kilometers of salt water. This distance acts as a natural...

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Explain why did the Aztecs sacrifice captives?

Explain why did the Aztecs sacrifice captives?

For the Aztecs, sacrificing humans was linked to a fundamental belief: the gods needed human blood to continue organizing the world and ensuring that the...

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