Unformatted text preview: What is Ecology?
copyright cmassengale 1 Organisms and Their Environment
copyright cmassengale 2 What is Ecology?? The study of interactions that take place between organisms and their environment. It explains how living organisms affect each other and the world they live in.
copyright cmassengale 3 Habitat & Niche
Habitat is the place a plant or animal lives Niche is an organism's total way of life
copyright cmassengale 4 The Nonliving Environment Abiotic factors- the nonliving parts of an organism's environment. Examples include air currents, temperature, moisture, light, and soil. Abiotic factors affect an organism's life.
copyright cmassengale 5 The Living Environment Biotic factors- all the living organisms that inhabit an environment. All organisms depend on others directly or indirectly for food, shelter, reproduction, or protection.
copyright cmassengale 6 Abiotic or Biotic? Biotic copyright cmassengale 7 Abiotic or Biotic? Abiotic copyright cmassengale 8 Abiotic or Biotic? copyright cmassengale Abiotic 9 Abiotic or Biotic? copyright cmassengale Biotic 10 Levels of Organization copyright cmassengale 11 What are the Simplest Levels? Atom Molecule Organelle Cell Tissue Organ System copyright cmassengale 12 Levels of Organization Ecologists have organized the interactions an organism takes part in into different levels according to complexity. copyright cmassengale 13 1 Level of Organization
st Organism: An individual living thing that is made of cells, uses energy, reproduces, responds, grows, and develops
copyright cmassengale 14 2 Level of Organization
nd Population: A group of organisms, all of the same species, which interbreed and live in the same place at the same time.
copyright cmassengale 15 3 Level of Organization
rd Biological Community: All the populations of different species that live in the same place at the same time.
copyright cmassengale 16 4 Level of Organization
th Ecosystem: Populations of plants and animals that interact with each other in a given area with the abiotic components of that area. (terrestrial or aquatic)
copyright cmassengale 17 5 Level of Organization
th Biosphere: The portion of Earth that supports life.
copyright cmassengale 18 The Biosphere Life is found in air, on land, and in fresh and salt water. The BIOSPHERE is the portion of Earth that supports living things.
copyright cmassengale 19 What level of organization?
Organism copyright cmassengale 20 What level of Organization? Community copyright cmassengale 21 What level of Organization? copyright cmassengale Population 22 copyright cmassengale 23 ...
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This note was uploaded on 02/13/2012 for the course BIO 126 N/A taught by Professor N/a during the Spring '10 term at University of Phoenix.
- Spring '10