Matter to Organisms Test Review

Front

What do the arrows in a food chain and food web represent?

Back

The flow of energy.

Front

What is a specific classification of plant or animal that is not native to an ecosystem?

Back

Invasive species.

Front

Which type of organism is known as a producer?

Back

Plants, such as grass and trees, are producers as they create their own food through photosynthesis.

Front

Where does all energy in ecosystems originate?

Back

The sun.

Front

What is the role of a predator in an ecosystem?

Back

An animal that hunts, catches, and eats other animals.

Front

What is a consumer in an ecosystem?

Back

An organism that obtains energy by feeding on other organisms.

Front

Define a decomposer and its role in an ecosystem.

Back

Decomposers are organisms, like fungi and bacteria, that break down dead organic material, returning nutrients to 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 through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

Front

What is an example of a primary consumer?

Back

Herbivores, such as rabbits and deer, that eat plants.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to ecosystem resilience, stability, and productivity.