Food Webs and Ecology Pyramids

Front

What is a producer in an ecosystem?

Back

An organism that makes its own food using light energy (photosynthesis) or chemical energy (chemosynthesis).

Front

How do most producers make their own food?

Back

Using light energy to make carbohydrates.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is biomass?

Back

The total mass of living matter in a given area or volume, often measured in trophic levels.

Front

In which trophic level is the most biomass found in terrestrial ecosystems?

Back

Producer.

Front

What happens to a food web if a key species is removed?

Back

It can disrupt the balance, leading to population increases or decreases in other species.

Front

What is a primary consumer?

Back

An organism that eats producers; typically herbivores.

Front

What is a secondary consumer?

Back

An organism that eats primary consumers; typically carnivores or omnivores.

Front

What is a tertiary consumer?

Back

An organism that eats secondary consumers; often top predators.