104 questions and answers in this section

Natural Sciences » Biology

Explain why a smile can truly influence our mood and health.

Explain why a smile can truly influence our mood and health.

When you smile, even if it's forced, your brain reacts immediately by releasing molecules like dopamine, serotonin, and endorphins. These substances are somewhat the key...

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Explain why bees dance to communicate?

Explain why bees dance to communicate?

Bees primarily dance to quickly indicate the exact location of food to their comrades. This dance, called the waggle dance or tremble dance, provides information...

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Explain why ants walk in a single file line to find food.

Explain why ants walk in a single file line to find food.

Ants leave behind chemical substances called pheromones, which function somewhat like scented signposts to guide their peers to food. The more a path is traveled, the more...

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Explain why starfish can regenerate their lost limbs?

Explain why starfish can regenerate their lost limbs?

Starfish contain very special cells called stem cells that can produce almost all the cell types necessary for regeneration. These stem cells, stored in reserve...

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Explain why bees build hives in the shape of hexagonal cells?

Explain why bees build hives in the shape of hexagonal cells?

Bees build their cells in the shape of hexagons because this shape allows them to fill available space without wasting it. Unlike round shapes that...

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Explain why ants follow invisible trails to find their way.

Explain why ants follow invisible trails to find their way.

Ants use odor molecules called pheromones to mark their trail. When an ant discovers food, it leaves behind a chemical trail that is almost invisible...

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Explain why worker bees feed larvae with royal jelly.

Explain why worker bees feed larvae with royal jelly.

Royal jelly is a key substance produced by worker bees to feed the larvae in the colony. It acts as a superfood packed with nutrients, vitamins, and...

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Explain why can mushrooms decompose organic matter?

Explain why can mushrooms decompose organic matter?

Mushrooms are among the most effective decomposers in nature. When leaves, dead trees, or animal carcasses accumulate on the ground, mushrooms intervene to break them...

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Explain why blood is red?

Explain why blood is red?

The red color of blood mainly comes from a pigment called hemoglobin, an essential component of red blood cells. This pigment contains iron, which gives...

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Explain why spiders can walk on vertical surfaces without falling?

Explain why spiders can walk on vertical surfaces without falling?

Spiders have claw-like structures at the end of their legs that function as mini hooks to grip the micro-roughness of surfaces. Cool, right? Additionally, they...

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