169 questions and answers in this section

Natural Sciences » Botany

Explain why tomatoes are often referred to as vegetables even though they are fruits?

Explain why tomatoes are often referred to as vegetables even though they are fruits?

From a purely culinary perspective, tomatoes are considered a vegetable because of their use in savory dishes. Unlike traditional fruits (apple, strawberry, or banana), tomatoes...

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Explain why do plants need photosynthesis to survive?

Explain why do plants need photosynthesis to survive?

Plants capture sunlight through a well-known pigment called chlorophyll, the main player that gives leaves their green color. This captured light allows the plant to...

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Explain why peppers are often associated with sensations of heat in the mouth?

Explain why peppers are often associated with sensations of heat in the mouth?

If you find that a chili pepper burns your mouth, it's because it contains a molecule called capsaicin. This substance is naturally produced by the...

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Explain why leaves change color in the fall?

Explain why leaves change color in the fall?

Leaves contain several types of pigments, such as chlorophyll (green pigment), carotenoids (yellow to orange), and anthocyanins (red, purple). The green color of leaves in...

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Explain why some plants are able to tolerate very acidic soils?

Explain why some plants are able to tolerate very acidic soils?

Plants that grow in very acidic soils often develop morphological tricks to survive comfortably in these challenging conditions. Some have very shallow and extensive roots...

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Explain why some carnivorous plants feed on insects to survive.

Explain why some carnivorous plants feed on insects to survive.

In environments like peat bogs or swamps where many carnivorous plants live, the soils are extremely poor in essential nutrients, especially nitrogen and phosphorus. These...

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Explain why is the grass green?

Explain why is the grass green?

If the grass is green, it's thanks to an essential pigment called chlorophyll. This molecule is present in quantity in plant cells and allows for...

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Explain why supermarket tomatoes have no taste.

Explain why supermarket tomatoes have no taste.

Tomatoes intended for supermarkets travel a lot, sometimes thousands of kilometers. They are therefore stored at low temperatures to maintain their freshness. The problem is...

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Explain why cacti can survive in arid environments?

Explain why cacti can survive in arid environments?

Cacti have particular shapes, perfectly adapted to drought, such as their thick and fleshy stems. This shape allows them to store a lot of water, a perfect...

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Explain why onions make eyes water when cutting them?

Explain why onions make eyes water when cutting them?

The onion is primarily composed of water (about 90%), but what interests us most here is sulfur. The onion contains compounds called amino acid sulfoxides, stored in...

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