Lecture 1 Introductionbb

Lecture 1 Introductionbb - Communities Populations...

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Ecology and Evolution (Bio 124) Dr. Heather Griscom
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Lee Foster Ecological Questions?
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Evolutionary Questions
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ECOLOGY
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1. The comprehensive science of the relationship of the organism to the environment. 2. Those relations of plants, with their surroundings and with one another, which depend directly upon differences of habitat among plants. 3. Chiefly concerned with what may be called the sociology and economics of animals rather than with the structural and other adaptations possessed by them. 4. The scientific study of the interactions that determine the distribution and abundance of organisms. 5. The scientific study of the distribution and abundance of organisms. 6. The science which concerns itself with the external relations of plants and animals to each other and to the past and present conditions of their existence.
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The Canada Lynx
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Distribution Q: Where is it found?
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Abundance Q: How many occur there?
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Interactions
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What level of biological organization do ecologists study? Biosphere Ecosystems
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Unformatted text preview: Communities Populations Organisms Organ systems Organs Tissues Cells Organelles Molecules Applied Ecology Environmental science Mt Storm, West Virginia One can lead to another . . . Pure Ecology Applied Ecology Environmental Science Why study ecology? Appreciation Curiosity Our Survival Manage & Control Insect Outbreaks Threats to the ecological world Castanea dentata , American Chestnut Introduction of Exotics Virginia, Highway 29 Overharvesting Habitat Loss Climate Change The Other Half EVOLUTION What is Evolution? The theory that all organisms on Earth are related by common ancestry and that they have changed over time in response to natural selection . Why Learn Evolution? A powerful framework for investigating the world we live in! Astonishing variety in Nature Effect of Hunting on Bighorn Rams Effect of Eliminating a Predator Diseases & Antibiotics Agriculture and Pathogens Addressing a Contempt for Scientific Evidence...
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This note was uploaded on 10/22/2009 for the course BIO 124 taught by Professor Griscom during the Spring '07 term at James Madison University.

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Lecture 1 Introductionbb - Communities Populations...

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