Chapter 4 Vocabulary Flashcard

Front

What is the rate of change in population size expressed in terms of the increase in population per existing individual?

Back

Per Capita Growth Rate

Front

What type of factor shows the growth of a population by causing an increase in the death rate or a decrease in the birth rate as the size of the population increases?

Back

Density-Dependent Factor

Front

What is the method called where the number of members of a population occupying a sample area or volume is counted directly to estimate the size of the population?

Back

Plot Sampling

Front

What is the average number of individuals in a population per unit area or volume?

Back

Population Density

Front

What term refers to the total number of individuals in a population?

Back

Population Size

Front

What is the difference between density-dependent and density-independent factors in population dynamics?

Back

Density-dependent factors are influenced by population size, while density-independent factors affect population regardless of size.

Front

What is the significance of understanding per capita growth rate in population studies?

Back

It helps in assessing the potential for population growth and sustainability.

Front

How does population density affect the resources available to a population?

Back

Higher population density can lead to increased competition for limited resources.

Front

What are some examples of density-dependent factors?

Back

Predation, disease, and competition.

Front

What are some examples of density-independent factors?

Back

Natural disasters, climate changes, and human activities.