Ch. 8 & 9 Test

Front

What is the term for a relationship in which two species live in close association?

Back

Symbiosis

Front

What is the portion of a graph that shows exponential growth?

Back

Generation 13-15

Front

What factor contributed to the acceleration of human population growth in recent centuries?

Back

Better hygiene and food

Front

What is an example of commensalism?

Back

A bird building a nest in a tree

Front

What is the term for the location that an organism lives?

Back

Habitat

Front

What is the term for a relationship where one species benefits at the expense of another?

Back

Parasitism

Front

What is the term for a relationship where both species benefit?

Back

Mutualism

Front

What is the term for the role or function of an organism within its environment?

Back

Niche

Front

What is the term for the number of individuals per unit area in a population?

Back

Population density

Front

What is the term for the struggle between organisms for the same resources in an ecosystem?

Back

Competition