467 questions and answers in this section
Explain why some marine species can survive the high pressures of the abysses?

Explain why some marine species can survive the high pressures of the abysses?

To survive the overwhelming pressures of the abyss, some marine animals develop astonishing adaptations. Abyssal fish often have a soft and gelatinous body structure, as...

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Explain why bees die after stinging a human?

Explain why bees die after stinging a human?

The bee's sting is a type of hollow needle, directly connected to a small venom pouch inside its abdomen. This needle has tiny hooks, called...

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Explain why ants form rafts to cross water?

Explain why ants form rafts to cross water?

In ants, everything relies on chemistry. By releasing small amounts of chemical substances called pheromones, they create real scent trails. Each ant follows these trails, and the...

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Explain why magpies collect shiny objects in their nest?

Explain why magpies collect shiny objects in their nest?

Magpies naturally exhibit a genuine curiosity for shiny objects. This type of object attracts their attention because magpies have a strong propensity to explore their...

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Explain why frogs can change color?

Explain why frogs can change color?

Frogs change color thanks to specialized cells in their skin called chromatophores. These cells contain different pigments, such as melanin, which gives dark tones, pteridine...

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Explain why do squirrels store food reserves for the winter?

Explain why do squirrels store food reserves for the winter?

For squirrels, accumulating food is an innate survival strategy mainly dictated by their internal biological clock. As the days shorten with the approach of autumn, their bodies...

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Explain why frogs croak louder in the rain?

Explain why frogs croak louder in the rain?

Frogs produce their famous croak thanks to a vocal sac, a sort of small pouch under their throat that they inflate like a balloon. When...

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Explain why orcas use elaborate hunting techniques to capture their prey?

Explain why orcas use elaborate hunting techniques to capture their prey?

Orcas possess one of the most remarkable intelligences in the marine animal world. Their impressive, complex, and particularly developed brains allow them to quickly analyze...

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Explain why snakes regularly shed their skin?

Explain why snakes regularly shed their skin?

Snakes molt primarily because their skin does not grow with them. Their epidermis is a rigid outer layer that cannot stretch indefinitely, unlike our skin. When the...

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Explain why stick insects resemble tree branches.

Explain why stick insects resemble tree branches.

Stick insects blend into their surroundings as the champions of mimicry, an effective strategy for staying unnoticed. Their appearance as branches, dry leaves, or bark...

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