104 questions and answers in this section

Natural Sciences » Biology

Explain why some animals change their skin or feathers depending on their environment.

Explain why some animals change their skin or feathers depending on their environment.

Changing skin or feathers helps many animals blend into their surroundings. Camouflage is like wearing military camouflage gear, but in an animal version and cooler. For example,...

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Explain why flies are attracted to light?

Explain why flies are attracted to light?

Science has recently pointed to phototaxis, a biological phenomenon that drives certain insects, like flies, to dash straight towards a light source. Specifically, these creatures...

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Explain why Neanderthal Man disappeared.

Explain why Neanderthal Man disappeared.

The climate at the end of the Middle Paleolithic began to change seriously: cold glacial periods suddenly alternated with rapid warming, forcing Neanderthals to constantly...

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Explain why ants communicate using pheromones?

Explain why ants communicate using pheromones?

Ants live in highly organized societies that rely on effective teamwork. For everything to run smoothly, they must quickly relay essential information such as the...

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Explain why predators have specific adaptations to effectively hunt their prey.

Explain why predators have specific adaptations to effectively hunt their prey.

Predators have developed numerous specific adaptations to become hunting pros. These adaptations help them effectively capture their prey without wasting energy unnecessarily or risking their...

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Explain why snake venom can be used for medicine.

Explain why snake venom can be used for medicine.

The toxins present in venom specifically act on certain biological targets, such as nerves, muscles, or blood. And it is precisely this specificity that makes...

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Explain why otters hold hands while sleeping.

Explain why otters hold hands while sleeping.

Otters often sleep on the water, floating on their backs. During their naps, they risk drifting with the ocean currents and getting separated from their...

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Explain why spiders do not get stuck on their own web?

Explain why spiders do not get stuck on their own web?

Spider silk is mainly composed of particular proteins called fibroins. These proteins form molecular chains that combine very strong regions with more elastic regions. This...

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Explain why mantis shrimp have such developed vision?

Explain why mantis shrimp have such developed vision?

The eyes of mantis shrimp are among the most advanced in the animal kingdom. They can move their eyes independently of each other, giving them...

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Explain why spiders weave such strong webs?

Explain why spiders weave such strong webs?

Spider silk owes its remarkable strength to its very special proteins: fibroins. These proteins organize into structures that resemble tiny crystals called crystallites, surrounded by...

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