141 questions and answers in this section

Natural Sciences » Oceanography

Explain why corals bleach in response to environmental stress?

Explain why corals bleach in response to environmental stress?

Corals live in symbiosis with tiny algae called zooxanthellae. These small roommates settle directly in the tissues of the coral and give it a serious...

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Explain why the phenomenon of tides is influenced by the Moon and the Sun?

Explain why the phenomenon of tides is influenced by the Moon and the Sun?

Gravitational force is simply the attraction experienced by two objects that have a mass. The greater the mass of an object, the stronger its attraction. Conversely, the...

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Explain why do dolphins sometimes protect swimmers from marine predators?

Explain why do dolphins sometimes protect swimmers from marine predators?

Dolphins are known for their very social nature and their natural curiosity towards other species, including humans. Behaviorally, they often show empathy and possess a...

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Explain why corals are so colorful and vibrant.

Explain why corals are so colorful and vibrant.

The bright color of corals mainly comes from tiny algae called zooxanthellae. These microscopic algae live within the tissues of corals and produce different pigments...

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Explain why is sea water salty?

Explain why is sea water salty?

It all starts from the earth rocks: rain falls, it gently flows and wears down these rocks along the way, carrying away minerals. These minerals...

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Explain why do giant waves suddenly form in the open sea?

Explain why do giant waves suddenly form in the open sea?

Strong storms offshore sometimes create a mess of huge waves. The strong wind continuously blows over the water, transferring its energy to the waves and...

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Explain why the color of the sea changes.

Explain why the color of the sea changes.

The color of the sea mainly depends on how light interacts with water. When a light ray hits the surface of the water, certain colors...

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Explain why do some beaches change color depending on the tide?

Explain why do some beaches change color depending on the tide?

The tide alters the visual aspect of the beaches by revealing or covering different sand areas. At high tide, the water covers the beach, making...

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Explain why do jellyfish have a paralyzing effect on swimmers?

Explain why do jellyfish have a paralyzing effect on swimmers?

The venom of jellyfish is a complex cocktail mainly composed of toxic proteins. These proteins are designed to quickly paralyze prey so that the jellyfish...

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Explain why coral reefs can help protect coastlines from storms.

Explain why coral reefs can help protect coastlines from storms.

Coral reefs serve as natural barriers: when a wave passes over them, it loses a large part of its energy before reaching the shore. The...

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