Common-Core/ Grade 6
Science MCQ Based On Coral reef biodiversity and human uses exploring a problem
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Common-Core Grade 6 - 6 Coral reef biodiversity and human uses exploring a problem
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Coral reefs are colonies of tiny living creatures that are found in oceans.
Corals are made up of many tiny animals called polyps. Each coral polyp has a hard skeleton.
The ways in which an ecosystem benefits humans are called ecosystem services.
An ecosystem with higher biodiversity is often better able to support life.
This ecosystem have lack different habitats.
As estimated by scientists, most of the coral reefs of the world will soon decline with the increasing rates of ocean warming. Sedimentation can smother corals by depriving them of the light needed to survive.
They are the source of nitrogen and other essential nutrients for marine food chains.
The coral reef is an underwater ecosystem with reef-building corals. Coral is popularly known as the 'Rainforests of Ocean'.
Coral polyps have microscopic organisms called zooxanthellae.
Corals thrive in tropical waters [30°N and 30°S latitudes].
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