461 questions and answers in this section
Explain why do dogs walk in circles before lying down?

Explain why do dogs walk in circles before lying down?

Dogs circle around before lying down for several reasons. This behavior dates back thousands of years, when their ancestors lived in the wild. Circling allowed...

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Explain why can frogs survive being frozen during the winter?

Explain why can frogs survive being frozen during the winter?

Frogs have developed fascinating abilities to survive being completely frozen. They can lower their metabolism to almost zero, a state known as quiescence. The heart...

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Explain why are ladybugs often red in color?

Explain why are ladybugs often red in color?

Ladybugs owe their red color to specific chemical pigments called carotenoids. These substances are the same ones that give carrots and tomatoes their color. Carotenoids...

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Explain why butterflies have patterns on their wings that resemble eyes?

Explain why butterflies have patterns on their wings that resemble eyes?

The eye-like patterns on butterfly wings serve to scare off predators. When a bird sees these patterns, it thinks there's a large predator watching it. This makes...

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Explain why some butterflies drink the tears of animals?

Explain why some butterflies drink the tears of animals?

Butterflies drink animal tears to obtain mineral salts. Tears are rich in sodium, a crucial element for their metabolism. By sipping tears, butterflies also gain...

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Explain why some birds color themselves based on the food they eat?

Explain why some birds color themselves based on the food they eat?

Some birds obtain their coloration from the food they consume. For example, flamingos owe their pink color to the carotenoids present in the shrimp and...

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Explain why aquatic mammals must return to the surface to breathe?

Explain why aquatic mammals must return to the surface to breathe?

Aquatic mammals, such as dolphins and whales, have lungs for breathing. Unlike fish that use gills to extract oxygen from the water, aquatic mammals need...

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Explain why crocodile mothers carry their babies in their mouths?

Explain why crocodile mothers carry their babies in their mouths?

Mother crocodiles carry their babies in their mouths to protect and keep them safe. Baby crocodiles are very vulnerable after hatching and can easily be...

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Explain why animals in the forest are often difficult to observe?

Explain why animals in the forest are often difficult to observe?

Cryptic coloration, also known as camouflage, is a common adaptation among many animals in the forest. This characteristic allows them to blend perfectly into their...

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Explain why traditional fishermen use birds to catch fish?

Explain why traditional fishermen use birds to catch fish?

Traditional fishermen have been using birds to catch fish for centuries. This method is particularly common in certain regions of Southeast Asia, such as Japan, China, and...

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