BIOL 3060U Lecture Notes - Human Overpopulation, Ecosystem Services, Overfishing

30 views3 pages
25 Nov 2012
School
Department
Professor

Document Summary

Chapter 56 ecosystems and global ecology (only 56. 2, 56. 4 and 56. 5!!!) All energy utilized by organisms come from the sun. Fossil fuels is based on reserves of captured solar energy locked up in the remains of organisms that lived a million years ago. Energy enters ecosystems by way of plants and other photosynthetic organisms. Gross primary product rate at which energy is incorporated into the bodies of photosynthetic organisms. Primary producers use some of the accumulated energy for their own metabolism and the rest is stored in their bodies or used for growth and reproduction. Net primary production energy available to organisms that eat primary producers. Gross primary production the energy expended by the primary producers during their metabolism. Only the energy of an organism"s net production is available to other organisms that consume it. Geographic distribution of the energy assimilated by primary producers reflects the distribution of land masses, temperature and moisture on earth.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents

Related Questions