18 1 Introduction to Ecology ecology the study

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18. 1 – Introduction to Ecology

18. 1 – Introduction to Ecology

ecology - the study of the interaction between organisms and the living and

ecology - the study of the interaction between organisms and the living and non-living components of their environment living examples: non-living examples:

Interdependence all organisms interact with other organisms in their surrounding and with the non-living

Interdependence all organisms interact with other organisms in their surrounding and with the non-living portion of their environment (interconnectedness) interdependence is a key theme throughout ecology (ex: sun plants humans to breath)

Interdependence negative side to interdependence: any change in the environment can spread through the

Interdependence negative side to interdependence: any change in the environment can spread through the network of interactions and affect organisms that appear far removed from the change pg. 360

Interdependence Wolves are decimating the populations of Elk, Moose and other animals in Yellowstone,

Interdependence Wolves are decimating the populations of Elk, Moose and other animals in Yellowstone, here is a video on the plus side of wolves. How Wolves Changed a River

Ecological Models ecology is complex and difficult to study ecological models help ecologist to

Ecological Models ecology is complex and difficult to study ecological models help ecologist to represent or describe the components of an ecological system models may be physical, conceptual, or mathematical ecologists construct models to help understand environmental interactions and to make predictions about possible change

Levels of Organization in Ecology hierarchy of organization in the environment complete study of

Levels of Organization in Ecology hierarchy of organization in the environment complete study of ecology would look at all levels Levels of Ecology

1. Biosphere broadest level of organization; part of Earth that contains all ecosystems thin

1. Biosphere broadest level of organization; part of Earth that contains all ecosystems thin volume of Earth and its atmosphere that supports life (ex: Earth = size of an apple, then the biosphere is only as thick as the skin) Biosphere

2. Ecosystem communities of organisms and their non-living environment ex: Ecosystem

2. Ecosystem communities of organisms and their non-living environment ex: Ecosystem

3. Community populations of various species that live in the same habitat and interact

3. Community populations of various species that live in the same habitat and interact with each other ex: Community

4. Population a group of organisms of the same species that live in a

4. Population a group of organisms of the same species that live in a specific geographical area and reproduce ex: Population

5. Organism simplest level of organization; an individual living thing ex:

5. Organism simplest level of organization; an individual living thing ex:

PREFIX / SUFFIX eco ology MEANING FOCUS WORD(S)

PREFIX / SUFFIX eco ology MEANING FOCUS WORD(S)

PREFIX / SUFFIX MEANING eco house ology study of FOCUS WORD(S) ecology; ecosystem biology;

PREFIX / SUFFIX MEANING eco house ology study of FOCUS WORD(S) ecology; ecosystem biology; ecology;

Draw Your Own Example of Levels of Organization Biosphere Ecosystem Community Population Organism

Draw Your Own Example of Levels of Organization Biosphere Ecosystem Community Population Organism

Global ecology Landscape ecology Ecosystem ecology Community ecologyGlobal ecology Landscape ecology Ecosystem ecology Community ecology
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