ZOO121-lectures3-4

ZOO121-lectures3-4 - Ecosystem structure and function...

Info iconThis preview shows pages 1–14. Sign up to view the full content.

View Full Document Right Arrow Icon
Combined 8/30 and 9/1 lecture slides Ecosystem structure and function Chapters 3 & 4.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ecosystem Structure 8/30/11
Background image of page 2
A quick quiz 1. Define biosphere in a single sentence 2. Nonliving physical environments comprise the _______ component of an ecosystem. 3. Living organisms collectively comprise the _______ component of the biosphere. 4. A _______ resource exists in finite supply or is replaced by the environment so slowly that, for all practical purposes, the supply must be finite.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A quick quiz 5. Short answer. ± Define “frontier ethic” in a few sentences ± What assumptions does it make about resources ± What relationship do humans and nature have in this system
Background image of page 4
Did you read the Essay? “Thinking like a mountain ± What were some of the consequences Aldo Leopold observed when the wolves were eliminated? In areas with overpopulated deer, you can see a “browse line”, where all the leaves have been eaten.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Random Fact of the Day The Underground Forest In South Africa, is a community of trees that have evolved to exist almost entirely below ground Only their leaves poke out above the surface, the rest of their biomass is below ground.
Background image of page 6
Did you read the Essay? “Thinking like a mountain ± What were some of the consequences Aldo Leopold observed when the wolves were eliminated? Malnourished deer
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Key Concepts Ecology can be studied on many scales, from single animals to global migrations
Background image of page 8
Organismal Ecology Organismal ecologists explore the adaptations that allow individual organisms to live successfully in a particular area. Q: what categories of adaptations?
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Species A group of organisms that can breed to produce fully fertile offspring Great White Pelican Pelecanus onocrotalus
Background image of page 10
Habitat The characteristics of the type of environment where an organism normally lives. (e.g. a stoney stream, a deciduous temperate woodland, Bavarian beer mats)
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Niche The niche of a species consists of: Its role in the ecosystem (herbivore, carnivore, producer etc) Its tolerance limits (e.g. soil pH, humidity) Its requirements for shelter, nesting sites etc etc, all varying through time © 2008 Paul Billiet ODWS
Background image of page 12
Population A group of organism of the
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 14
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 44

ZOO121-lectures3-4 - Ecosystem structure and function...

This preview shows document pages 1 - 14. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online