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living environment > Ecology > Flashcards

Ecology Flashcards

0
Q

Ecology

A

The scientific study of interactions among organisms and their enviroments, including relationships between living and non living things.
Ex soil,plants

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1
Q

Ecosystem

A

Interactions among the populations and abiotic factors in a community.
Ex forest

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2
Q

Interact

A

Two or more organisms acting on each other.

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3
Q

Deforestation

A

The clearance of a forest.

Ex fracking purposes

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4
Q

Population

A

Species living in an area

Sidney’s squirrel population

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5
Q

Community

A

A group of organisms occupying an area

Ex deer and bears

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6
Q

Biodiversity

A

The variety of organisms in an ecosystem.

Plant population=variety of plants species

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7
Q

Habitat

A

Where an organism lives

Ex trees

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8
Q

Niche

A

An organisms role in its enviroment

Ex plants to produce

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9
Q

Host

A

The organism that is infected with the parasite

Ex deer with ticks.

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10
Q

Scavenger

A

An animal that feeds on dead carcasses left by the predator. Scavengers rarely kill their prey
Ex vultures

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11
Q

Decomposer

A

An organism that decomposes a dead body to get energy.

Ex bacteria

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12
Q

Carrying campacity

A

Largest number of organisms from a species that can survive for long periods of time.
Ex bears

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13
Q

Primary consumer

A

Organisms that eat autotrophs

Ex rabbit eats grass

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14
Q

Secondary consumer

A

Eats herbivores eats primary consumers

Ex mole

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15
Q

Tertiary consumers

A

Eats primary and secondary consumers, carnivores

ex snake

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16
Q

Food chain

A

Used to show the energy flow through the trophic levels

Ex sun-grass-rabbit-hawk-snake

17
Q

Food web

A

Used to show relationships between organisms

18
Q

Energy pyramid

A

Used to model energy flow through trophic levels.

19
Q

Competition

A

The fight between organisms for something

Ex food, habitat

20
Q

Symbiosis

A

The long term interaction between two different species

Ex bear and deer

21
Q

Predation

A

The interaction between two organisms in which one is the prey and one is the predator.

22
Q

Predator

A

An organism that feeds on other organisms.

23
Q

Prey

A

The organism that is attacked and eaten by the predator.

24
Q

Limiting factor

A

A factor that limits the growth or population of an organism.
Ex birds can’t live in trees because the trees are cut down.

25
Q

Producer

A

The first trophic level in a food chain it gets its energy from the sun.
Ex ferns

26
Q

Consumer

A

An organism that feeds on other animals and they are also called heterotrophs. They can not make their own energy.
Ex rabbit.

27
Q

Herbivore

A

An organisms that eats autotrophs/plants

Ex deer

28
Q

Carnivore

A

Eats only meat

Ex bear

29
Q

Omnivore

A

Eats both meat and plants

Ex humans

30
Q

Mutualism

A

Both organisms benefit

Ex bees pollinating flowers

31
Q

Commensalism

A

One organism benefits an the other is neutral.

Ex barnacles on a mussel shell

32
Q

Parasitism

A

One organism lives on or in another organism causing harm to the host
Ex ticks on a deer

33
Q

Parasite

A

An organism that gets benefitted by relying on a organism

Ex ticks

34
Q

Introduced species

A

An organism that is not native to an area

Ex imported species

35
Q

Autotroph

A

Plant species

Ex fern

36
Q

Heterotroph

A

Organisms that can’t make their own food

Ex humans

37
Q

Biotic

A

A living organism

Ex deer or bears

38
Q

Abiotic

A

A non living organism

Ex soil or water

39
Q

Global warming

A

The increase in earths temperature due to an increase in greenhouse gases.

40
Q

Greenhouse effect

A

The heating of earths surface due to the gases in the atmosphere.

41
Q

Ecological succession

A

The replacement of a dominant species by another dominant species.
Ex snakes and mongooses

living environment (6 decks)

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