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BIOLOGY [3 marks Question Answer]

Understanding EcoSystems · ICSE STD 9 (ICSE - English Medium). 2 questions.

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[3 marks Question Answer]

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Question 13 Marks
Differentiate between terrestrial and aquatic ecosystem.
Answer
Terrestrial ecosystemAquatic ecosystem
These ecosystems are less dominant than aquatic ecosystems.Aquatic ecosystems cover more than 70% of the Earth's surface
The organisms here are adapted to live on land.The organisms here are adapted to live in water.
The different kinds of terrestrial ecosystems are forest, grassland, deserts and tundra ecosystem.The different kinds of aquatic ecosystems are fresh water, marine water and brackish water ecosystem.
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Question 23 Marks
In which parts of the world are tropical rainforests found?
Answer
Tropical rainforests are found in regions that experience high temperature, high humidity, heavy and well-distributed rainfall all year round. These regions lack seasonal changes and there is little difference between the length of days and nights.

Tropical rainforests mainly occur inside the World's equatorial regions. They are restricted to the small land area between the Tropic of Capricorn and the Tropic of Cancer.

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[3 marks Question Answer] - BIOLOGY STD 9 Questions - Vidyadip