104 questions and answers in this section

Natural Sciences » Biology

Explain why do birds migrate at such high altitudes?

Explain why do birds migrate at such high altitudes?

Migratory birds generally seek heights where atmospheric conditions become favorable for them. At several hundred or even thousands of meters above the ground, they take...

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Explain why do catfish have whiskers?

Explain why do catfish have whiskers?

These funny whiskers, also known as barbels, are actually highly specialized sensory organs in catfish. They are equipped with thousands of small nerve cells that...

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Explain why do the bacteria in our intestines influence our mood?

Explain why do the bacteria in our intestines influence our mood?

Our intestines communicate directly with our brain through an axis called the gut-brain axis. The gut microbiota, consisting of billions of bacteria in our digestive...

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Explain why are fingerprints unique to each individual?

Explain why are fingerprints unique to each individual?

During the first weeks of pregnancy, the baby's skin begins to form folds and bumps called papillary ridges. By the third or fourth month, these...

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