BIO A Unit 3: Populations & Biodiversity

Front

What is the number of organisms per unit area called?

Back

Population density

Front

What is the gradual process of a species becoming extinct?

Back

Background extinction

Front

What do we call the number of different species living in a specific area?

Back

Biodiversity

Front

What is an environmental factor that depends on the number of members in a population per unit?

Back

Density-dependent factor

Front

What is the large-scale dying out of a large percentage of all living organisms in a short time called?

Back

Mass extinction

Front

What is the term for the variety of life in the world or in a particular habitat or ecosystem?

Back

Biodiversity

Front

What is the term for the maximum number of individuals that an environment can support?

Back

Carrying capacity

Front

What is the term for the spread of individuals within a population?

Back

Dispersion

Front

What is the term for factors that affect population size regardless of the population's density?

Back

Density-independent factors

Front

What is the term for the division of habitats into smaller, isolated patches?

Back

Habitat fragmentation