167 questions and answers in this section

Natural Sciences » Botany

Explain why carrots can have different colors?

Explain why carrots can have different colors?

The classic orange color of carrots mainly comes from beta-carotene, an orange pigment that gives a healthy glow and belongs to the family of carotenoids. But it...

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Explain why were carrots originally purple?

Explain why were carrots originally purple?

Carrots were originally cultivated over 1000 years ago in what is now Afghanistan and Iran, and guess what: they were mainly purple or violet! The...

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Explain why some plants accumulate heavy metals?

Explain why some plants accumulate heavy metals?

Some plants have a superpower: phytoextraction. They absorb heavy metals from the soil through their roots. Then, they accumulate them in their leaves. These plants...

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Explain why are roses one of the most common symbols of love?

Explain why are roses one of the most common symbols of love?

Roses were already associated with love in ancient civilizations, where the Greeks saw them as the favorite flower of Aphrodite, the goddess of love. Later, the Romans...

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Explain why some trees have bark that appears to peel?

Explain why some trees have bark that appears to "peel"?

The bark is somewhat like the skin of the tree. It protects the tree from external threats such as insects, fungi, and mechanical injuries. Additionally, it helps...

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Explain why do pineapples not continue to ripen once they are picked?

Explain why do pineapples not continue to ripen once they are picked?

The pineapple is quite unique when it comes to ripening: unlike other fruits, it stops completely after being harvested. While it grows quietly on its...

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Explain why do cactus flowers often bloom at night?

Explain why do cactus flowers often bloom at night?

Cactus flowers are often large and colorful, thus attracting nocturnal pollinators. They can range from brilliant white to bright red. Their petals are often large...

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