Prentice Hall Biology

5�1 How Populations Grow

1.	Key Concept List three characteristics that are used to describe a population.
2.	Key Concept What factors can change a population's size?
3.	Key Concept What is the difference between exponential growth and logistic growth?
4.	What is meant by population density?
5.	Define carrying capacity.
6.	Critical Thinking Inferring What factors might cause the carrying capacity of a population to change?

Using Graphic Organizers

Draw a concept map that shows how populations grow. Include the following terms: exponential growth, logistic growth, birthrate, death rate, immigration, emigration. Add any other terms that you think are useful to complete the map.