468 questions and answers in this section
Explain why animals' growth curves are generally exponential.

Explain why animals' growth curves are generally exponential.

Animal growth is primarily a matter of cellular multiplication. Essentially, a young animal grows because its cells are rapidly dividing to create new ones. You...

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Explain why bees dance to communicate the location of food sources.

Explain why bees dance to communicate the location of food sources.

Bees use dance as a true living GPS: it allows scouting worker bees to precisely indicate to others where to find food. Through their little...

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Explain why tropical forests are called the lungs of the Earth?

Explain why tropical forests are called "the lungs of the Earth"?

Tropical forests play a crucial role in the production of oxygen through a simple phenomenon: photosynthesis. During this process, plants absorb sunlight, take in carbon...

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Explain why penguins gather in colonies to protect themselves from the polar cold.

Explain why penguins gather in colonies to protect themselves from the polar cold.

By huddling closely together, penguins significantly limit their loss of body heat. This technique acts somewhat like a collective radiator, with each individual benefiting from...

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Explain why giraffes have spots on their skin.

Explain why giraffes have spots on their skin.

Giraffes have developed their spots over the course of evolution as a response to their survival needs. These patterns primarily served as camouflage, allowing them...

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Explain why pigs are more intelligent than dogs.

Explain why pigs are more intelligent than dogs.

Pigs have a very good memory that allows them to quickly learn tricks or commands. Some researchers have even proven that they retain verbal commands...

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Explain why tropical storms often form over oceans?

Explain why tropical storms often form over oceans?

To put it simply, the ocean is a massive reservoir of moisture, and it is precisely this moisture that fuels tropical storms. In warm weather, water easily...

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Explain why hermit crabs change shells?

Explain why hermit crabs change shells?

Unlike most crabs that have a solid integrated shell, hermit crabs have a fragile rear part of their body, soft and vulnerable. They have not...

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Explain why some animal species change color to camouflage themselves?

Explain why some animal species change color to camouflage themselves?

Changing color primarily allows animals to become invisible, or almost. Blending into the background helps them escape predators by simply avoiding detection, but it also...

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Explain why rattlesnakes shake their tails before attacking?

Explain why rattlesnakes shake their tails before attacking?

Rattlesnakes move their tails primarily to send a warning signal to animals they perceive as potential threats. In plain terms, this snake prefers to make...

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