Examine the food chains given below and find out the trophic levels represented by the eagle in these food chains. 1. Grass → Rabbit → Eagle 2. Grass → Grasshopper → Calotes → Eagle 3. Grass → Grasshopper → Frog → Snake → Eagle

1. Grass → Rabbit → Eagle In this food chain, grass belongs to the first trophic level as they prepare their own food and known as producers. The rabbit belongs to the second trophic level and depends on plants for food and known as a herbivore. The eagle belongs to the third trophic level as it depends on herbivore it is known as a carnivore. 2. Grass → Grasshopper → Calotes → Eagle In this food chain, grass belongs to the first trophic level, grasshopper belongs to the second trophic level, Calotes belongs to the third trophic level and eagle belongs to the fourth trophic level. 3. Grass → Grasshopper → Frog → Snake → Eagle In this food chain, grass belongs to the first trophic level, grasshopper belongs to the second trophic level, frog belongs to the third trophic level, snake belongs to the fourth trophic level and eagle belongs to the fifth trophic level.

E M B I B E

Science for Class 8 - Part 2>Chapter 2 - Diversity for Sustenance>Exercise 1>Q 1

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8th Kerala Board

IMPORTANT

Earn 100

Discuss and complete the illustration given below suitably.

Important Questions on Diversity for Sustenance

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8th Kerala Board

IMPORTANT

Science for Class 8 - Part 2>Chapter 2 - Diversity for Sustenance>Exercise 2>Q 1

Complete the illustration by including the organisms of the food web at various trophic levels.

Question Image

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8th Kerala Board

IMPORTANT

Science for Class 8 - Part 2>Chapter 2 - Diversity for Sustenance>Indicators>Q 1

Examine the food chains given below and find out the trophic levels represented by the eagle in these food chains.

1. Grass $\to$ Rabbit $\to$ Eagle
2. Grass $\to$ Grasshopper $\to$ Calotes $\to$ Eagle
3. Grass $\to$ Grasshopper $\to$ Frog $\to$ Snake $\to$ Eagle