(a) What are producers, primary consumers, secondary consumers and tertiary consumers? Give one example of each.
(b) Write a food chain having four trophic levels. Mark the producer and various types of consumers in it.

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Solution

(a) Producers - Producers are organisms which can produce their own food and are autotrophic in nature. Example: plants
Primary consumers - Primary consumers are herbivores which feed on plants. Example: rabbit
Secondary consumers - Refers to organisms who are carnivores and feed on other animals for their nutrition. Example: snake
Tertiary consumers - Refers to organisms who feed on animals which eat other animals. Example: Hawk

(b) Plant (Producer) → Grasshopper (Primary consumer) → Frog (Secondary consumer) → Snake (Tertiary consumer)

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Similar questions

Energy enters in a food chain through :

(a) primary consumers

(b) secondary consumers

(d) producers.

Choose the correct one from the following statements

1. Each organism occupies one trophic level in a food chain.

2. A trophic level in a food chain may be occupied by any of the producers, herbivores, carnivores or decomposers

3. Top consumers in a food chain generally feed on secondary consumers.

4. GFC and DFC are the common food chains and the latter is having maximum energy than the first

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