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The Web of LIfe

The difference between abiotic and biotic creatures

Ecology - the study of the interactions of organisms with one another and with their environments.
The Two Parts Of The Environment: All of the organisms that live together and interact with one another make up the biotic(living) part of the environment. The abiotic part of the environment consists of the nonliving factors.
List the 5 levels of organization from largest to smallest: Biosphere, Ecosystem, Community, Population, and Organism.
The Biosphere The biosphere is the part pf Earth where life exists. It extends from the deepest part of the ocean to high in the air where plant spores drift.
Ecosystems An ecosystem is made up of organisms and the abiotic environment of the community.
Communities A community consists of all of the populations of species that live and interact in an area.
Populations Each animal is a part of a population or group of individuals of the same species that live together.
Producers Organisms that use sunlight directly to make food are called producers. They do this by using a process called photosynthesis. [Autotrophs]
Consumers Organisms that eat other organisms are called consumers. [Heterotrophs]
Decomposers Organisms that get energy by breaking down dead organisms are called decomposers. [Fungi or Bacteria]
Food Chains and Food Webs A food chain is a diagram that shows how energy in food flows from one organism to another. A food web is a diagram that shows the feeding relationships between organisms in an ecosystem.
The Difference between a Food Web and Food Chain A food web shows multiple feeding relationships between organisms in an ecosystem. A food chain shows how energy in food flows from one organism to another.
Energy Pyramids An energy pyramid is a triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain.
Balance in Ecosystems An organism in a food web are important for the health and balance of an other organism in the food web.
Created by: auanderson126



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