Balance in Ecosystems

The place where an organism lives is known as

• a habitat

• a niche

• an ecosystem

• a food chain

A _________ is a special role that the organism plays in the ecosystem.

• habitat

• niche

• ecosystem

• food web

Resources that restrict the growth of populations is know as

• habitat

• symbiosis

• competition

• limiting factors

An example of a mutualistic relationship is

• A pollinator and a flowering plant

• A remora and a ray

• A tick and a mammal

• A barnacle and a whale

The fight for limited resources is known as

• limiting factors

• competition

• fighting

• survival

The amount of space in an ecosystem can be a limiting factor on the number of organisms living in that ecosystem.

• True

• False

In commensalism one organism benefits without harming the other.

• True

• False

An invasive species can be introduced to an ecosystems by human interaction.

• True

• False

Which of the following is NOT a type of symbiosis?

• mutualism

• parasitism

• commensalism

• touristism

Plants and animals can both be invasive species.

• True

• False