Ecology: Chapter 3 Notes
Life in Water
Abiotic pressures on aquatic life
to prevent suffocation, need to extract oxygen from water (gills) , store oxygen for prolonged periods
(marine mammals) or transport oxygen from air above water (plants).
Ecology Chapter 4 Notes
Evolution and Speciation
proposed evolution, populations change over time
did not know mechanism
proposed characteristics of other indvs would be preserved as a result of selection by the environment.
These indivs would h
Ecology Chapter 1 Notes
Ecology: branch of science dedicated to the study of relationships and the environment. Understanding the
mechanisms causing patterns that occur in the natural world.
ecologists apply the scientific approach to understanding the r
Ecology: Chapter 6 Notes
Figure 6.7: Mechanisms of water movement from soil through plants to the atmosphere
1. as water evaporates from a leaf, it moves from higher water potential within the leaf to much lower water
potential of surround
Ecology Chapter 5 Notes
Many organisms regulate the temp of part, if not their entire body.
Examine relationship between organism and temperature.
Example: Dryas Integrifo
Suns position in the arctic sky changes, tracks its movement