escology Flashcards

1
Q

Ecology

A

the study of interactions between organisms and the environment

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2
Q

species

A

one type of organsim

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3
Q

Biotic Factors

A

All the parts of the environment that are living.

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4
Q

Abiotic Factors

A

All the parts of the environment that are nonliving.

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5
Q

Habitat

A

the place where an organism lives in a community

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6
Q

Population

A

all the organisms of the same species living in the same place at the same time

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7
Q

community

A

all the populations that live in the same place at the same time

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8
Q

ecosystem

A

a community interacting with the abiotic parts of its environment, (all the biotic and abiotic parts of an area)

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9
Q

Energy pyramid

A

Diagram showing trophic level/ level in food chain

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10
Q

sun

A

main source of energy for all living things

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11
Q

Producer

A

Makes it own food ( autoroph)

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12
Q

photosynthesis

A

the process of food making in producers Sunlight + CO₂ (carbon dioxide) + H₂O (Water) →

sugar (energy) + O₂ (Oxygen)

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13
Q

consumer

A

an organism that eats other organisms

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14
Q

Herbivore

A

An organism that only eats plants

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15
Q

Carnivore

A

An organism that only eats animals

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16
Q

Scavenger

A

An organism that only eat dead organisms

17
Q

Omnivore

A

An organism that eats both plants and animals

18
Q

Decomposer

A

an organism that breaks down the remains of dead plants and animals .

19
Q

Food chain

A

The transfer of energy ( food ) from one organism to another

20
Q

food web

A

when different chains overlap

21
Q

competition

A

The contest among organisms to get all they need to survive

22
Q

Niche

A

the role (job) a species has within a community

23
Q

Predator

A

an organism that kills and eats prey to obtain energy

24
Q

prey

A

An organism that gets eaten by a predator

25
Q

Limiting factors

A

an environmental factor that causes the population to decrease

26
Q

symbiosis

A

a relationship where food, shelter, support or transportation is provided for one or both organism

27
Q

Natural selection

A

The struggle between organism to survive in a habitat with limited resources

Process in which a species becomes better suited to its environment.