Relationship in ecosystems and changes review

Front

Where an organism lives is called its __________.

Back

Habitat

Front

________ succession takes place in an area that has been completely destroyed and is now bare rock.

Back

Primary

Front

________ succession takes place in an area that has been disturbed, but not completely destroyed and the soil remains intact.

Back

Secondary

Front

________ is a symbiotic relationship in which one organism benefits (parasite) and the other organism is harmed (host).

Back

Parasitism

Front

A relationship in which two species live and interact closely together is called ________.

Back

Symbiosis

Front

The role of an organism in its environment, including its habitat and interactions with other organisms, is called its __________.

Back

Niche

Front

The first species to colonize a barren environment during primary succession are called __________ species.

Back

Pioneer

Front

In a __________ relationship, both species benefit from the interaction.

Back

Mutualism

Front

The gradual process of change and replacement in the types of species in a community is known as __________.

Back

Succession

Front

An example of __________ is when a bird builds a nest in a tree without harming the tree.

Back

Commensalism