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Science Vocabulary

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PRESENTATION OUTLINE

SCIENCE VOCABULARY

JENNA BIRKHOLZ
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ECOLOGY

The study of how organisms interact with each other and with their environment
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Organism

Anything that can independently carry out life processes. One individual.

POPULATION

A group of organisms of the same species that live together in the same area at the same time.

COMMUNITY

All of the population of different species that live and interact in the same area.
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ECOSYSTEM

A community of organisms and their non living environment.
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Food chain

a hierarchical series of organisms each dependent on the next as a source of food.
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Food web

a system of interlocking and interdependent food chains.
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PRODUCER

a person, company, or country that makes, grows, or supplies goods or commodities for sale.
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PRIMARY CONSUMER

A primary consumer is an organism that feeds on primary producers

SECONDARY CONSUMER

Secondary consumers are organisms that eat primary consumers for energy.
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TERTIARY CONSUMER

A tertiary consumer is one trophic level of a food chain.
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Decomposer

an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

Pollution

the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
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RESOURCE DEPLETION

is the consumption of a resource faster than it can be replenished.

INVASIVE (ALIEN) SPECIES

Invasive alien species are a major driver of biodiversity loss
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OVERPOPULATION

the condition of being populated with excessively large numbers.
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PREDATOR

The organism that eats the prey is called the predator.
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PREY

The organisms that gets eaten is the prey.
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PARASITE

a symbiotic relationship in which one organism benefits while the other is harmed.