HW#3 U1.Ch4.S2

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What does the term 'population density' refer to?

Back

The number of individuals per unit area in a population.

Front

What is dispersion in ecology?

Back

The pattern of spacing among individuals within a population.

Front

What factors contribute to the dramatic increase in world population?

Back

Better medicine, better sanitation, and better technology.

Front

What is a logistic growth curve?

Back

A model of population growth that shows how a population grows rapidly at first and then levels off as it reaches carrying capacity.

Front

Define 'population size'.

Back

The total number of individuals in a population.

Front

What are density-dependent factors?

Back

Factors that affect population growth in relation to the population density, such as food availability and disease.

Front

What is the difference between renewable and non-renewable resources?

Back

Renewable resources can be replenished naturally over time, while non-renewable resources are finite and cannot be replaced.

Front

What is a climax community?

Back

A stable and mature ecological community that has reached a steady state.

Front

How does better sanitation affect population growth?

Back

It reduces disease transmission and increases survival rates, contributing to population growth.