467 questions and answers in this section
Explain why tomatoes ripen after being picked?

Explain why tomatoes ripen after being picked?

Once picked, the tomato continues to ripen by mobilizing several processes that gradually change its color, texture, and taste. Most importantly, it increases its production...

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Explain why koalas smell like peppermint?

Explain why koalas smell like peppermint?

Koalas have a thick fur that acts like a true sponge to absorb the essential oils produced by the eucalyptus trees they favor. Their dense, woolly hairs...

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Explain why lynxes have ears with tufts of hair.

Explain why lynxes have ears with tufts of hair.

In lynxes, the tufts of fur at the tips of their ears, called ear tufts, primarily serve to enhance their auditory perception. These hairs capture...

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Explain why some animal species practice parthenogenesis.

Explain why some animal species practice parthenogenesis.

Parthenogenesis offers a clear advantage: no need to find a mate. This is practical when living in isolation or in environments where encountering a conspecific...

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Explain why the Māori used facial tattoos to distinguish themselves.

Explain why the Māori used facial tattoos to distinguish themselves.

Māori facial tattoos, known as Tā moko, originate from an ancient Polynesian tradition that arrived in New Zealand with the first explorers. For the Māori, these tattoos...

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Explain why watching an aquarium can help reduce blood pressure?

Explain why watching an aquarium can help reduce blood pressure?

Stress is not just an unpleasant or distressing emotion: it is a very real physical phenomenon that impacts your body. When you are stressed, you...

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Explain why did King Henry VIII of England collect unicorn horns?

Explain why did King Henry VIII of England collect unicorn horns?

During the time of Henry VIII, the unicorn was considered a very real creature, not just a fairy tale legend. Its horns were reputed to...

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Explain why the hippopotamus has pink skin?

Explain why the hippopotamus has pink skin?

The skin of the hippopotamus is naturally gray, but often appears pink due to its thinness and low hairiness: the pinkish hue from the blood...

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Explain why elephants are essential for ecosystems?

Explain why elephants are essential for ecosystems?

When elephants regularly pass through an area, they become true landscape architects. By opening paths through forests, they create essential natural corridors for many other...

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Explain why some animals have life cycles that are so different from ours?

Explain why some animals have life cycles that are so different from ours?

The life cycles of animals have evolved in response to the pressures of their environment. Species that live in areas where resources are limited and...

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