earths systems Flashcards

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1
Q

System

A

A system pertains to interdependent or interrelated objects comprising and functioning as a whole

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2
Q

Feedback

A

a response within a system molecule

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3
Q

Model

A

object or even a process or a system that is used to describe and explain phenomena

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4
Q

Biosphere

A

It is the natural habitat of living organisms.

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5
Q

Ecosystem

A

A system that includes all living organisms

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6
Q

Biome

A

an area classified according to the species that live in that location.

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7
Q

Organism

A

any living biological entity

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8
Q

Population

A

A group of organisms of one species that interbreed and live in the same place at the same time

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9
Q

Biotic Factor

A

a living organism that shapes its environment.

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10
Q

Abiotic Factor

A

a non-living part of an ecosystem that shapes its environment.

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11
Q

Community

A

interacting group of various species in a common location.

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12
Q

Habitat

A

conditions and organisms in the immediate vicinity of a plant or animal

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13
Q

Niche

A

the role an organism plays in a community

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14
Q

Biodiversity

A

the variety of life found in a place on Earth

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15
Q

Keystone Species

A

an organism that helps define an entire ecosystem.

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16
Q

exponential growth

A

is a process that increases quantity over time.

17
Q

logistic growth

A

a population’s per capita growth rate gets smaller and smaller as population size approaches a maximum imposed

18
Q

carrying capacity

A

the number of people, other living organisms, or crops that a region can support without environmental degradation.

19
Q

density dependent

A

any force that affects the size of a population of living

20
Q

density independent

A

any force that affects the size of a population of living things

21
Q

population density

A

the number of people living in each unit of area

22
Q

emigration

A

the act of leaving one’s own country to settle permanently in another