169 questions and answers in this section

Natural Sciences » Botany

Explain why sequoias are the tallest trees in the world?

Explain why sequoias are the tallest trees in the world?

Sequoias thrive in mild and humid climates. They mainly grow along the Californian coasts where the sea air brings constant moisture through frequent fog. This...

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Explain why certain plant species are phosphorescent at night.

Explain why certain plant species are phosphorescent at night.

Plant bioluminescence is a natural phenomenon where certain plants emit visible light at night. The source of this astonishing property is usually a molecule called...

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Explain why marine algae sometimes smell so strong?

Explain why marine algae sometimes smell so strong?

Marine algae naturally produce certain organic substances to protect themselves from predators or external aggressions. When stressed or decomposing, they release more of these highly...

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Explain why some marine algae can survive in extreme conditions?

Explain why some marine algae can survive in extreme conditions?

Marine algae have a remarkable biochemical toolbox to survive extreme conditions. They can produce specific proteins capable of protecting their cells against freezing or scorching...

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Explain why some plants are toxic to animals?

Explain why some plants are toxic to animals?

Plant toxins primarily act as a natural defense to prevent animals from nibbling on them too frequently. If a plant is grazed on too often, it will...

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Explain why garlic has such a strong odor?

Explain why garlic has such a strong odor?

Garlic has a strong smell due to a particular family of molecules, the famous sulfur compounds. When garlic is whole and intact, these molecules are...

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Explain why algae produce oxygen?

Explain why algae produce oxygen?

Algae produce oxygen through photosynthesis, a natural mechanism that simply uses sunlight, carbon dioxide (CO₂), and water to create energy. With the light captured by...

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Explain why flowers have different colors and shapes to attract insects.

Explain why flowers have different colors and shapes to attract insects.

Insects and flowers engage in a sort of win-win partnership. Flowers offer sweet nectar as a reward, and insects (especially bees, butterflies, and other pollinators)...

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Explain why lichens are good indicators of pollution?

Explain why lichens are good indicators of pollution?

Lichens are highly sensitive to pollutants due to their very simple structure: they lack roots, protective cuticles, and any complex tissues like those of typical...

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Explain why do tomatoes wilt in the refrigerator?

Explain why do tomatoes wilt in the refrigerator?

Refrigeration leads to a slowing down and then a sudden halt of the tomato's natural chemical reactions. This cold stops the activity of volatile compounds, those small...

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