Question

write four trophic level of food chain and represent in the form of ecological pyramid​

Answer 1

Explanation:

Level 1: Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.

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Answer 2

Answer:

The feeding positions in a food chain or web are called trophic levels. The diff

erent trophic levels are defined in the Table below. Examples are also given in the table. All food chains and webs have at least two or three trophic levels. Generally, there are a maximum of four trophic levels.

Trophic Level

Where It Gets Food

Example

1st Trophic Level: Producer

Makes its own food

Plants make food

2nd Trophic Level: Primary Consumer

Consumes producers

Mice eat plant seeds

3rd Trophic Level: Secondary Consumer

Consumes primary consumers

Snakes eat mice

4th Trophic Level: Tertiary Consumer

Consumes secondary consumers

Hawks eat snakes

Many consumers feed at more than one trophic level. Humans, for example, are primary consumers when they eat plants such as vegetables. They are secondary consumers when they eat cows. They are tertiary consumers when they eat salmon.