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Ecosystem and its Components - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
Quick Facts
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17 Questions around this concept.
Solve by difficulty
Vertical distribution of different species occupying different levels in a biotic community is known as:
Most animals are tree dwellers in a:
Which one of the following is one of the characteristics of a biological cummunity?
Concepts Covered - 1
Ecosystem
- An ecosystem can be visualised as a functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment.
- The term ecosystem was proposed by A.C. Tansley in 1935 where eco implies the environment and system denotes an interacting, interdependent, integrated complex.
- Ecosystems vary greatly in size from a small pond to a large forest or a sea.
- The entire biosphere is sometimes regarded as a global ecosystem, but is too big and complex to be studied at one time.
- Hence, it is convenient to divide it into two basic categories, namely:
- Terrestrial: Forest, grassland and desert are some examples of terrestrial ecosystems.
- Aquatic: pond, lake, wetland, river and estuary are some examples of aquatic ecosystems.
- Man Made ecosystems:
- These are the artificial ecosystems which rely on the human efforts to sustain.
- They do not possess a self regulating mechanism.
- They have almost no diversity and have simple food webs.
- Crop fields and an aquarium can be considered as man-made ecosystems.
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