APES Unit 3

Front

What characterizes Stage 3 of the Demographic Transition Model (DTM)?

Back

Both the birth rate and death rate are decreasing.

Front

What is the term for the distribution of individuals of different ages in a population?

Back

Age Structure.

Front

What do we call organisms that are adapted to narrow habitats and specific environmental conditions?

Back

Specialist.

Front

What type of factors affect all populations similarly regardless of size?

Back

Density-Independent factors.

Front

What does a population pyramid representing negative growth indicate?

Back

The population is declining.

Front

What is the term for the maximum population size that an environment can sustain?

Back

Carrying Capacity.

Front

What is the difference between a generalist and a specialist species?

Back

Generalists can thrive in a variety of environments, while specialists are adapted to specific conditions.

Front

What is the term for the increase in population size over time?

Back

Population Growth.

Front

What are factors that depend on population size called?

Back

Density-Dependent factors.

Front

What is the term for the number of individuals per unit area or volume?

Back

Population Density.