Terms in this set (41)
All of the living factors in an ecosystem
All of the nonliving factors in an ecosystem
Examples of Biotic Factors
Trees, ducks, butterfly, bacteria, algae
Examples of Abiotic Factors
Sun, Oxygen, Soil, Temperature, Water, Rocks
Biotic - Biotic Interaction
The deer feed on the trees
Biotic - Abiotic Interaction
The sun gives energy to the trees
Abiotic - Abiotic Interaction
The sun affects the temperature within an ecosystem
All of the biotic and abiotic factors that interact in an area
The place where the organism lives, and provides everything that the organism needs to survive
the surroundings or conditions in which a person, animal, or plant lives or operates
There are only a certain amount of resources.
The amount of resources within an ecosystem
There are more than enough resources to support a population
Eats only plants/producers
Eats only meat
Eats both plants and animals
Feeds on the bodies of dead organisms
An organism that breaks down wastes and dead organisms
An organism that can make its own food.
An organism that obtains energy by feeding on other organisms
Shows the flow of energy through a single chain of organisms
A number of overlapping food chains and shows the complex feeding relationships
How much energy is available to the level above within a food pyramid?
An organism's particular role in an ecosystem
An animal that hunts other animals for food
An organism that is killed and eaten by another organism
A relationship between two organisms of different species where one benefits and the other is harmed
Example of Parasitism
Tick and Deer
A relationship between two organisms in which one organism benefits and the other is unaffected
Example of Commensalism
barnacles on a whale
A relationship between two species in which both species benefit
Example of Mutualism
bee and flower
Law of Conservation
Matter cannot be created or destroyed; it can only change forms
the movement of carbon from the nonliving environment into living things and back
the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.
the process by which oxygen is exchanged between the earth and its atmosphere.
Any living thing
group of individuals of the same species that live in the same area
All the different populations that live together in an area
the struggle between individuals or different populations for a limited resource
A close relationship between two species that benefits at least one of the species.
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Key Terms for Ecosystem and Habitat
Russell definitions /Chap18
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