Ecosystems and How they Change

What are parts of a habitat that are or were once alive and that interact with an organism?

• biotic factors

• abiotic factors

• resources

• ecosystem

Stuff like food, water, shelter and other things from an organism's environment it needs to live, grow, and reproduce are called what?

• habitat

• resources

• ecosystem

• biotic factors

what is the role of an organism in its habitat called?

• biotic factors

• ecosystem

• niche

• competition

What are all the different populations that live together in an area called?

• organism

• community

• ecosystem

• habitat

What breaks down biotic wastes and dead organisms, returning the raw materials to the ecosystem?

• consumer

• producer

• decomposer

• predator

An environment that provides the things a specific organism needs to live, grow, and reproduce is called what?

• habitat

• ecosystem

• community

• population

What is the number of individuals in an area of a specific size called?

• community

• population

• ecosystem

• population density

What is the community of organisms that lives in a particular area, along with the nonliving environment called?

• ecosystem

• habitat

• abiotic factors

• population

What is a a living thing called?

• An organism

• An abiotic factor

• A producer

• A consumer

What are the nonliving parts of an organisms habitat called?

• abiotic factors

• biotic factors

• limiting factors

• ecosystem