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science Flashcards

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Biology 101 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 organism

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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 factor

A

All the parts of the environment that are nonliving

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5
Q

Habitat

A

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

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6
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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7
Q

Energy Pyramid

A

Diagram showing trophic level / level in food chain

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8
Q

sun

A

main source of energy for all living things.

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9
Q

Producer

A

makes its own food (autotroph)

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10
Q

Photosynthesis

A

the process of food making in producers

Sunlight + CO₂ (carbon dioxide) + H₂O (Water) →

sugar (energy) + O₂ (Oxygen)

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11
Q

consumer

A

an organism that eats other organisms (heterotroph)

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12
Q

Herbivore

A

An organism that eats other organisms

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13
Q

Carnivore

A

An organism that eat other animals

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14
Q

Scavenger

A

An organism that eats organisms that are already dead

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15
Q

Omnivore

A

an organism that eats both plants and animals.

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16
Q

Decomposer

A

an organism that breaks down the remains of dead plants and animals (recycles)

17
Q

Food Chain

A

the transfer of energy (food) from one organism to another.

18
Q

Food Web

A

when different chains overlap.

19
Q

Competition

A

The contest among organisms to get all they need to survive.

20
Q

Niche

A

the role (job) a species has within a community

21
Q

Prededor

A

an organism that kills and eats prey to obtain energy

22
Q

prey

A

An organism that gets eaten by a predetor

23
Q

Limited factors

A

an environmental factor that causes the population to decrease

24
Q

Symbiosis

A

A relationship where food, shelter, support, or transportation is provided for one or both organisms.

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