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Biodiversity; Trophic levels in an ecosystem

In an ecosystem, interaction occurs between communities. Energy is transferred from one organism to another through the food chain.

What are the three trophic levels? Give an example of each.

What trophic level do you think is the most important in the ecosystem and why?

What is biodiversity? Is it important? Relate biodiversity to the trophic levels.

What would happen to the rest of the trophic levels if one them was wiped out?

Solution Preview

What are the three trophic levels? Give an example of each.

Each level of consumption in a food chain is called a trophic level.

First trophic level is autotrophs (producers). Example: Green plants. they prepare their own food.

Second trophic level: Herbivores (primary consumers). example: rabbit. they depend on autotrophs for their food energy.

Third trophic level: Carnivores (secondary consumers). Example: lion. They depend on primary consumers for food energy.

What ...

Solution Summary

Biodiversity is the variation of taxonomic life forms within a given ecosystem or a biome. It is the measure of health of the biological system to indicate the degree to which the species are diverse and the count of viable versus extinct species. Each level of consumption in a food chain is called a trophic level.

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