Competition in Ecosystems

An abiotic factor is something that...

• is alive

• come from a living thing

• is not alive and has never been alive

• none of these

A biotic factor is something that...

• is alive

• used to be alive

• came from a living things

• all of these

What is competition in an ecosystem?

• When an individual or population depend on the same limited resource

• When one organism depends on another for survival

• When two organisms help each other survive

• None of these

What is a dependent interaction?

• When an organism has become extinct

• When an organism or population depend on the same limited resource

• When one organism depends on another for survival

• None of these

What is an ecosystem?

• A limited resource

• When one organism depends on another for survival

• When an organism or population compete for the same limited resource

• A system comprising all the biotic and abiotic factors in an area and their interactions

What is a limited resource?

• A resource needed by organisms and is not infinite in its abundance in the environment

• A resource that cannot be exhausted

• Any resource that is rare

• None of these

What is an organism?

• Anything that can move

• A self-contained living thing

• Anything that consumes in order to survive

• None of these

What is a population?

• A group of interacting individuals of the same species living in the same area

• Any large gathering of organisms

• All the organisms that live in the same area

• None of these

What is a primary consumer?

• A carnivore

• An omnivore

• An organism that gets its energy by feeding on producers in the food chain

• None of these

What is a resource?

• Anything that provides energy

• Anything that can be consumed

• A source or supply that benefits organisms

• None of these