88 questions and answers in this section

Natural Sciences » Ecology

Explain why soil biodiversity is essential to preserve life on Earth.

Explain why soil biodiversity is essential to preserve life on Earth.

A living soil is essential because organisms such as earthworms, fungi, and bacteria continuously recycle organic matter. Specifically, they decompose dead leaves or other plant...

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Explain why marsh plants are effective at filtering water?

Explain why marsh plants are effective at filtering water?

Wetland plants have highly branched and extensive roots, perfect for capturing pollutants suspended in the water. In addition, these plants often develop hollow or porous...

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Explain why hummingbirds don't collide in mid-air flight?

Explain why hummingbirds don't collide in mid-air flight?

Hummingbirds have developed a truly unique anatomy that prevents them from crashing into everything and anything. They possess special wings, with a very particular shape...

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Explain why mangroves are ecosystems so crucial for the oceans?

Explain why mangroves are ecosystems so crucial for the oceans?

Mangroves are true marine nurseries, hosting an astonishing biodiversity. Fish, crabs, and shrimp come to shelter here to grow peacefully before joining the open ocean. They also...

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Explain why do polar ice caps play a crucial role in regulating the Earth's climate?

Explain why do polar ice caps play a crucial role in regulating the Earth's climate?

Ice caps act as a huge natural mirror, their white surface reflecting a large part of the sun's rays directly back into space. This phenomenon...

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Explain why volcanic islands have unique biodiversity?

Explain why volcanic islands have unique biodiversity?

Volcanic islands are often located far from continents, creating a marked form of isolation. This physical separation makes it difficult for species to exchange with...

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Explain why do some algae produce toxins that are harmful to marine mammals?

Explain why do some algae produce toxins that are harmful to marine mammals?

Producing toxins, for an alga, is primarily a matter of survival and competition. By manufacturing these toxic molecules, certain algae deter predators like small crustaceans...

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Explain why mosquitoes are attracted to ultraviolet light.

Explain why mosquitoes are attracted to ultraviolet light.

Mosquitoes have compound eyes made up of numerous facets called ommatidia. Thanks to these many small eyes, they easily detect even slight movements and quickly...

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Explain why do bright colors attract pollinating insects?

Explain why do bright colors attract pollinating insects?

Insects have a different vision from ours: they primarily perceive ultraviolet light, colors that we cannot even see! Their eyes are made up of thousands...

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Explain why do earthworms improve soil fertility?

Explain why do earthworms improve soil fertility?

Earthworms dig numerous tunnels in the soil as they move, creating a multitude of handy little passages. This constant mixing makes the soil lighter and...

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