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Decomposers are organisms that ___________________.
get their energy from breaking down dead organisms or waste.
Consumers are organisms that ______________________________.
Eat to obtain energy (eat producers).
Producers are organisms that ________________.
make their own food.
Predatory interactions occur when __________________________.
One organism preys on another.
Competitive interactions occur when _______________________.
Two organisms compete over a shared resource.
Commensalism is a relationship in which _____________________.
One organism benefits and one organism neither benefits or is harmed.
Parasitism is a relationship in which ________________.
One organism benefits and one organism is harmed.
What are abiotic factors?
Non-living
What are biotic factors?
Living
What is a population?
all of the members of one species living in the same area
What is a community?
All of the interacting populations in a specific area
What is an ecosystem?
All of the abiotic and biotic factors in an area
What is the lowest level of organization?
Organism
What is the highest level of organization?
Biosphere
What determines the carrying capacity of an ecosystem?
Limiting factors
What is the carrying capacity?
The largest number of individuals of the same species that an area can support
