169 questions and answers in this section

Natural Sciences » Botany

Explain why some trees produce fruits only once a year?

Explain why some trees produce fruits only once a year?

Fruit trees follow a kind of internal clock synchronized with the seasons. This biological clock tells them when to bloom, bear fruit, or rest. For...

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Explain why do some algae produce bioluminescence at night?

Explain why do some algae produce bioluminescence at night?

The nocturnal bioluminescence in certain algae mainly comes from a natural ability to produce living light, thanks to a specific internal chemical reaction. This phenomenon...

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Explain why the wind can make a tree fall?

Explain why the wind can make a tree fall?

When the wind blows hard, it exerts significant pressure on the tree, especially if it has many leaves and large branches, creating a high wind...

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Explain why did the Incas drink coca juice at high altitudes?

Explain why did the Incas drink coca juice at high altitudes?

At high altitude, the air is thinner in oxygen, which complicates breathing. The Incas found a clever way: drinking coca juice. This plant contains substances...

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Explain why does turmeric color food so well?

Explain why does turmeric color food so well?

The intense yellow-orange color of turmeric mainly comes from a compound called curcumin. It is a very powerful natural pigment, belonging to the curcuminoids family, which easily...

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Explain why desert plants are often thorny?

Explain why desert plants are often thorny?

The desert is a seriously tough place for plants: intense heat, nearly constant lack of water. To survive, plants have developed clever tricks like turning...

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Explain why some plants close up when they are touched?

Explain why some plants close up when they are touched?

When certain sensitive plants like Mimosa pudica are touched, a small electrical signal is triggered. This signal spreads very quickly through the leaves. This impulse...

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Explain why lemon tastes sour?

Explain why lemon tastes sour?

The lemon seems sour to you mainly because of citric acid, a substance that is naturally present in large quantities in the fruit. This acid...

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Explain why Newton's apple trees have such significance?

Explain why Newton's apple trees have such significance?

The story dates back to 1666, when Isaac Newton is said to have seen an apple fall from a tree in his family garden in...

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Explain why trees release sap in the spring?

Explain why trees release sap in the spring?

Sap is somewhat like the blood of trees: without it, they would be unable to grow, nourish themselves, or even breathe properly. Specifically, it transports...

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