Name: The Different Trophic Levels in the Ecosystem
Uploaded: 2019-07-19
Duration: 2 min 6 s
Description: The feeding positions in a food chain or web are called trophic levels. Trophic levels are the feeding positions of all organisms in a specific ecosystem

Question

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

Accepted Answer

1. Grass $\to$ Rabbit $\to$ 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 $\to$ Grasshopper $\to$ Calotes $\to$ 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 $\to$ Grasshopper $\to$ Frog $\to$ Snake $\to$ 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.

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Kerala Board Science Solutions for Exercise - Kerala Board Solutions for Chapter: Diversity for Sustenance, Exercise 3: Indicators

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