Ecology Unit Test Review (BIO)

Front

What is carrying capacity?

Back

The maximum number of individuals that the environment can support.

Front

What are invasive species?

Back

Plants and animals that are not native to a habitat.

Front

Where is the greatest amount of energy stored in a food web?

Back

In the first trophic level - producers.

Front

What percentage of energy do herbivores receive from plants?

Back

Herbivores get only 10% of the energy stored in plants.

Front

What is a food web?

Back

A system of interrelated food chains in an ecosystem.

Front

Define trophic level.

Back

Each step in a food chain or food web, representing a different level of energy transfer.

Front

What is a primary consumer?

Back

An organism that eats producers; typically herbivores.

Front

What is biological magnification?

Back

The increasing concentration of toxins in organisms at each successive trophic level.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, recycling nutrients back into the soil.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.