Ecology Flashcards

1
Q

What is Ecology?

A

The study of the interactions of living organisms with each other and with their environment

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2
Q

What is an organism?

A

one individual, a single living thing

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3
Q

What is a population?

A

A group of interbreeding organisms living together in the same area

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4
Q

What is a community?

A

All the organisms, of all types, living in the same area

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5
Q

What is an ecosystem?

A

all the organisms, living in the same environment and their non living environment

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6
Q

What are producers?

A

Organisms that make their own food using photosynthesis

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7
Q

What are consumers?

A

Organisms that eat producers or other consumers

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8
Q

What are herbivores?

A

Animals that only eat plants

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9
Q

What are carnivores?

A

Animals that only eat other animals

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10
Q

What are omnivores?

A

animals that eat both plants and animals

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11
Q

What are decomposers?

A

organisms that only feed off other dead organisms

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12
Q

What is a limiting factor?

A

Anything that reduces the size of a population

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13
Q

What are the main limiting factors for animals?

A

food, water, space, mates
other: being eaten, competition, disease

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14
Q

When does competition occur?

A

When two or more organisms need the same resource

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15
Q

Interspecific competition?

A

between members of different species

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16
Q

intraspecific competition?

A

between members of the same species

17
Q

What is bioaccumulation?

A

the accumulations of substances eg. pesticides that go up a food chain in an organism