NOTE : Few elements in Column II are modified. Match the items in column I with as many items as possible in column II. Column I Column II 1. Deer (i) Autotroph 2. Parrot (ii) Ecosystem 3. Cobra (iii) Herbivore 4. Pine tree (iv) Coniferous forests 5. Grasshopper (v) Omnivore (vi) Carnivore (vii) Producer

1 - (ii), (iii) The ecosystem is defined as the interaction of all the living organisms in a given area, along with the non-living components in their environment. Deer depends on only plants and their parts for food and hence, it is a herbivore and a part of an ecosystem. 2 - (ii), (v) Parrot is a part of an ecosystem and feeds on both plants and animals. Its diet includes fruits, seeds, small insects, etc. Hence, they are omnivores. 3 - (ii), (vi) Cobra is a part of an ecosystem and feeds only on the flesh of other animals. Hence, it is a carnivore. 4 - (ii), (i), (vii), (iv) The pine tree is a part of an ecosystem and prepares its own food through the process of photosynthesis. Hence, it is known as an autotroph, producer. Pine trees have needle-like leaves which prevent water loss in freezing weather and shed snow more easily than broad leaves. Therefore, they are found in coniferous forests. 5 - (ii), (iii) Grasshopper is a part of an ecosystem and is an insect that feeds on grass, which is a type of plant. Hence, it is a herbivore. It is consumed by animals such as frogs and lizards. Column I Column II 1. Deer (ii) Ecosystem, (iii) Herbivore 2. Parrot (ii) Ecosystem, (v) Omnivore 3. Cobra (ii) Ecosystem, (vi) Carnivore 4. Pine tree (ii) Ecosystem, (i) Autotroph, (vii) Producer, (iv) Coniferous forests 5. Grasshopper (ii) Ecosystem, (iii) Herbivore

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 1

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The term "ecosystem" is derived from the Greek word "Oikos" meaning.

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Important Questions on Ecosystem

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 1

Observe the given picture and answer the following:
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Rat in the above food chain would occupy the position of

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 1

Evergreen broad-leaved trees are characteristic of

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 1

The number of the steps in a food chain can never be more than

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 1

Snakes are primary consumers.

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 1

Some humans are strictly primary consumers and some others are of other types of consumers also.

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 1

No ecosystem can survive without light.

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Concise Biology Class 8>Chapter 4 - Ecosystem>REVIEW QUESTIONS>Q 2

NOTE: Few elements in Column II are modified.

Match the items in column I with as many items as possible in column II.

Column I	Column II
1. Deer	(i) Autotroph
2. Parrot	(ii) Ecosystem
3. Cobra	(iii) Herbivore
4. Pine tree	(iv) Coniferous forests
5. Grasshopper	(v) Omnivore
	(vi) Carnivore
	(vii) Producer