87 questions and answers in this section

Natural Sciences » Ecology

Explain why deforestation has an impact on climate change.

Explain why deforestation has an impact on climate change.

Forests act like true carbon sponges, absorbing a significant portion of the CO2 that we release into the atmosphere through photosynthesis. When we massively cut...

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Explain why corals are so important for marine ecosystems.

Explain why corals are so important for marine ecosystems.

Corals form reefs that serve as true homes for countless marine species. A quarter of all marine biodiversity directly depends on these reefs, finding refuge, food, and...

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Explain why the disappearance of predators causes imbalances in ecosystems?

Explain why the disappearance of predators causes imbalances in ecosystems?

Predators play an essential role in maintaining the balance of ecosystems: they regulate the number of prey species, thus preventing their excessive proliferation. Without them, certain populations...

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Explain why migratory birds travel such long distances each year?

Explain why migratory birds travel such long distances each year?

Every year, migratory birds experience a powerful internal need related to their internal biological clock. This clock, largely regulated by the length of the day...

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Explain why some plants change color depending on the acidity of the soil?

Explain why some plants change color depending on the acidity of the soil?

The color we perceive in a plant mainly depends on molecules called plant pigments. Among the most important are chlorophyll, famous for its green hue, but also...

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Explain why mosquitoes prefer to bite certain people over others?

Explain why mosquitoes prefer to bite certain people over others?

Mosquitoes primarily locate their targets through the carbon dioxide (CO2) we exhale while breathing. Some people naturally emit more CO2 than others: for example, taller...

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Explain why glaciers are melting due to climate change.

Explain why glaciers are melting due to climate change.

For over a century, the average temperature on Earth has been rising rapidly, primarily due to human activity. This global increase is causing accelerated melting...

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Explain why some birds migrate long distances each year?

Explain why some birds migrate long distances each year?

Every year, birds undertake remarkable journeys primarily due to changes in their natural environment. As the seasons change, the available resources vary, prompting these little...

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Explain why clownfish live in symbiosis with sea anemones.

Explain why clownfish live in symbiosis with sea anemones.

The clownfish gains significant advantages by associating with sea anemones. First, the relationship offers it effective protection against predators thanks to the stinging tentacles of...

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Explain why bats are essential for the pollination of certain plants.

Explain why bats are essential for the pollination of certain plants.

Bats carry out a sacred mission every night: nocturnal pollination. Unlike bees or butterflies that work during the day, these flying mammals take over when...

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