241 questions and answers in this section

Animals and Nature » Biodiversity

Explain why ancient civilizations believed in deities with animal heads.

Explain why ancient civilizations believed in deities with animal heads.

For ancient civilizations, animals often represented powerful and mysterious natural forces. Take the example of the Egyptians: they saw the falcon as a symbol of...

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Explain why pandas need to eat a large amount of bamboo?

Explain why pandas need to eat a large amount of bamboo?

Bamboo grows quickly, making it an ultra-abundant resource for pandas. But it is quite poor in terms of essential nutrients like proteins, fats, or minerals. In the...

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Explain why beavers build dams?

Explain why beavers build dams?

Beavers build their dams mainly to create an effective physical barrier against predators like wolves or coyotes. By forming a sort of artificial lake around...

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Explain why some animal species produce pheromones to communicate.

Explain why some animal species produce pheromones to communicate.

Pheromones are chemical messengers produced by certain animals, released into the environment to communicate with their peers. They mainly serve to quickly convey simple yet...

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Explain why tadpoles transform into frogs?

Explain why tadpoles transform into frogs?

Amphibians have a life cycle with two distinct stages: an aquatic stage and a terrestrial stage. It all starts in the water, where the eggs...

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Explain why killer whales hunt in groups?

Explain why killer whales hunt in groups?

Orcas hunt together like a true strike team. Generally, each has their role: some encircle, others drive the prey toward an ambush, and the strongest...

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Explain why pandas are black and white?

Explain why pandas are black and white?

The black and white coloration of the giant panda mainly comes from a genetic phenomenon controlled by several specific genes involved in pigmentation. The distribution...

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Explain why spiders have eight legs?

Explain why spiders have eight legs?

Spiders are part of the arachnids, a group of arthropods that appeared about 400 million years ago. Their common ancestor was probably aquatic, related to...

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Explain why vultures play an important role in the ecosystem.

Explain why vultures play an important role in the ecosystem.

Vultures act as natural trash collectors in nature. They quickly spot dead animals thanks to their impressive eyesight and keen sense of smell, effectively cleaning...

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Explain why freezing can cause pipes to burst in winter.

Explain why freezing can cause pipes to burst in winter.

When temperatures drop below 0°C, stagnant water in the pipes begins to cool gradually until it starts to become solid. Due to the cold, ice...

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