241 questions and answers in this section

Animals and Nature » Biodiversity

Explain why aphids give birth to clones?

Explain why aphids give birth to clones?

In aphids, clonal reproduction is a phenomenon called parthenogenesis. No need for a male, female aphids produce offspring directly without fertilization. Convenient, right? Here, there's...

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Explain why can jellyfish survive without a brain?

Explain why can jellyfish survive without a brain?

In jellyfish, there is no brain, but a diffuse nerve net that does all the work. This nerve net is like a kind of web...

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Explain why vampire stories have endured through the centuries.

Explain why vampire stories have endured through the centuries.

The tales of vampires date back a long way, long before Dracula. Beliefs in blood-sucking creatures already existed among the Mesopotamians, Greeks, and even the...

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Explain why poison dart frogs are so brightly colored?

Explain why poison dart frogs are so brightly colored?

The bright colors of poison dart frogs primarily come from specific pigments present in the cells of their skin. These pigments, called pterins and sometimes...

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Explain why some species of insects light up at night?

Explain why some species of insects light up at night?

Bioluminescence is the ability of a living organism, such as certain insects, to produce and emit its own light. In insects, this luminous phenomenon is...

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Explain why the wind can smell the rain before it arrives?

Explain why the wind can smell the rain before it arrives?

The wind works a bit like an express delivery service for scents. Before it rains, atmospheric pressure drops, allowing the wind to push ahead certain...

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Explain why some animal species engage in symbiosis to survive?

Explain why some animal species engage in symbiosis to survive?

In nature, survival often depends on little things, and symbiosis can significantly improve an animal's chances of success. Rather than relying solely on its own...

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Explain why a kiwi has a hairy skin.

Explain why a kiwi has a hairy skin.

The kiwi originally comes from a wild plant growing in relatively cool and humid forested regions of China, an environment conducive to mold. To avoid...

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Explain why sargassum seaweed is invading the coasts?

Explain why sargassum seaweed is invading the coasts?

The large invasions of sargassum often begin in the heart of the North Atlantic, specifically in an area called the Sargasso Sea. However, in recent...

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Explain why marine algae are an important source of biodiversity?

Explain why marine algae are an important source of biodiversity?

Marine algae form true underwater forests, providing shelter and food for a multitude of aquatic species. They protect juvenile fish and small creatures from predators...

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