Ecology Review

Front

What is a decomposer in an ecosystem?

Back

An organism that helps to recycle nutrients by eating dead or decaying organisms.

Front

What happens to the amount of available energy as it moves up through the energy pyramid?

Back

It decreases.

Front

Why might an organism have more than one arrow coming from it in a food web?

Back

More than one organism may eat them.

Front

What is a habitat?

Back

An area where an organism finds food, shelter, and water in a specific arrangement.

Front

What role does a tertiary consumer play in a food web?

Back

A tertiary consumer is an organism that eats secondary consumers.

Front

What is the primary source of energy for most ecosystems?

Back

The sun.

Front

Define the term 'food chain'.

Back

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

Front

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

Back

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

Front

What is an example of a primary producer?

Back

Plants, algae, and some bacteria that convert sunlight into energy through photosynthesis.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to ecosystem resilience, stability, and productivity.