239 questions and answers in this section

Animals and Nature » Biodiversity

Explain why giraffes have such a long and blue tongue.

Explain why giraffes have such a long and blue tongue.

The giraffe's tongue can measure up to 45 centimeters long. Its blue color is due to a high concentration of pigments called "melanin". Unlike other...

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Explain why giraffes have a long neck?

Explain why giraffes have a long neck?

Giraffes have a long neck, which allows them to reach the leaves of tall trees that are their main source of food. Their diet consists...

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Explain why pandas have black patches around their eyes?

Explain why pandas have black patches around their eyes?

The skin pigmentation of pandas is also responsible for the distinctive black patches around their eyes. These patches are the result of areas of skin...

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Explain why some animals migrate over long distances?

Explain why some animals migrate over long distances?

Animal migration is an ancestral behavior observed in many species around the world. Scientists have identified several reasons that drive animals to move over long...

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Explain why pollination by bees is so crucial for global food production.

Explain why pollination by bees is so crucial for global food production.

Bees are among the main pollinators of many food crops worldwide. By foraging on flowers for nectar and pollen, these insects significantly contribute to the...

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Explain why can lizards regenerate their tail when it is lost?

Explain why can lizards regenerate their tail when it is lost?

The regeneration of the tail of lizards is based on a complex biological mechanism involving several steps. When a lizard loses its tail, the wound...

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Explain why coral reefs are important for marine biodiversity?

Explain why coral reefs are important for marine biodiversity?

Coral reefs are extremely important marine habitats for many species of marine biodiversity. Indeed, these complex ecosystems provide a vital environment for a wide variety...

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Explain why bees dance to communicate?

Explain why bees dance to communicate?

Bees communicate in various ways within their colony, using chemical, tactile, and sound signals. Through these interactions, bees cooperate effectively to ensure the survival and...

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Explain why limestone caves can shelter colonies of bats?

Explain why limestone caves can shelter colonies of bats?

Limestone caves are mainly formed by a geological process called karstification. This phenomenon begins when water rich in carbon dioxide infiltrates the soil and reacts...

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Explain why do squirrels hide their food supplies?

Explain why do squirrels hide their food supplies?

Squirrels hide their food supplies out of survival instinct. This behavior is rooted in their DNA and dates back to their ancestors who had to...

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