Textbook Notes (368,795)
Canada (162,165)
Biology (1,177)
Hugh Henry (30)
Chapter 9

2483: Ecology Chapter 9.pdf

15 Pages
140 Views
Unlock Document

Department
Biology
Course
Biology 2483A
Professor
Hugh Henry
Semester
Fall

Description
Chapter 9Population Growth and RegulationHuman Population Growth A Case Studypeople have a large effect on the global environment because our population has grown explosively and so has our energy and resources Human population reached 68 billion in 2010 more than double the number of people in 1960Our use of energy and resources has grown even more rapidly From 1860 to 1991 human population quadrupled in size and energy consumption increased 93foldFor thousands of years our population grew relatively slowly reaching 1 billion for the rst time in 1825 Now we are adding 1 billion people every 13 yearsGrowth rate has slowed recently to about 118 per year and continues to slowBy 2080 it is predicted there will be roughly 910 billion people on Earth
More Less

Related notes for Biology 2483A

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit