467 questions and answers in this section
Explain why mosquitoes are attracted to some people more than others?

Explain why mosquitoes are attracted to some people more than others?

We have a natural tendency to attract mosquitoes due to various biological factors. The amount of carbon dioxide (CO₂) released while breathing plays a significant...

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Explain why lemurs dance in the rain.

Explain why lemurs dance in the rain.

Lemurs, particularly those found in Madagascar, sometimes exhibit an astonishing behavior in the rain: they stand upright on their hind legs, spread their arms, tilt...

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Explain why worker bees feed larvae with royal jelly.

Explain why worker bees feed larvae with royal jelly.

Royal jelly is a key substance produced by worker bees to feed the larvae in the colony. It acts as a superfood packed with nutrients, vitamins, and...

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Explain why ants build such complex anthills.

Explain why ants build such complex anthills.

Ants build elaborate anthills to facilitate their chemical communication. Through well-organized tunnels, they quickly disseminate signals via pheromones, chemical substances used to convey essential information...

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Explain why birds sing in the morning?

Explain why birds sing in the morning?

Morning is a special time for birds, who take advantage of the calm early hours to communicate effectively. With few background noises, their songs carry...

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Explain why Dolly is perfectly identical to sheep A?

Explain why Dolly is perfectly identical to sheep A?

To create Dolly, researchers used a technique called nuclear transfer cloning. To put it simply: they took an adult mammary cell from sheep A and...

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Explain why the deer's rutting is an important ritual for their survival during the mating season?

Explain why the deer's rutting is an important ritual for their survival during the mating season?

The roar of the stag is a powerful and resonant cry that provides a direct indication of its physical condition. Successfully producing a loud and...

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Explain why migratory birds always come back to the same place?

Explain why migratory birds always come back to the same place?

Migratory birds return to the same place thanks to mechanisms encoded directly in their DNA. From birth, they have a true biological GPS, a sort...

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Explain why the shells of some sea turtles change color?

Explain why the shells of some sea turtles change color?

Some specific pigments present in the skin of sea turtles directly influence the visible color of their shell. For example, the presence of melanin, a...

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Explain why the migration of monarch butterflies is an incredible feat of nature?

Explain why the migration of monarch butterflies is an incredible feat of nature?

Every year, monarch butterflies embark on a true aerial marathon of nearly 4,000 kilometers. Incredible but true, these fragile insects, weighing just a few grams, can fly...

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