APES chapter 1 key terms

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Environment

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23 Terms

1

Environment

The sum of all the conditions surrounding us that influence life

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2

Environmental science

The field of study that looks at interactions among human systems and those found in nature

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3

Ecosystem

A particular location on Earth with interacting biotic and abiotic components

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4

Biotic

Living

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5

Abiotic

Non living

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6

Ecosystem services

The processes by which life supporting resources such as clean water, timber, fisheries, and agricultural crops are produced.

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7

Environmental indicator

An indicator that describes the current state of an environmental system.

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8

Biodiversity

The diversity of life forms in an environment

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9

Genetic diversity

A measure of the genetic variation among individuals in a population

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10

Species

A group of organisms that is distinct from other groups in its morphology (body form and structure), behavior, or biochemical properties

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11

Species diversity

The number of species in a region or in a particular ecosystem.

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12

Speciation

The evolution of new species

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13

Background extinction rate

The average rate at which species become extinct over the long term

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14

Greenhouse gases

Gases in Earths atmosphere that trap heat near the surface

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15

Anthropogenic

Derived from human activities

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16

Per capita

Amount per each person in a country or unit of population

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17

Development

Improvement in human well-being through economic advancement

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18

Sustainability

Living on Earth in a way that allows humans to use its resources without depriving future generations of those resources

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19

Biophilia

Love of life

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20

Ecological footprint

A measure of how much an individual consumes, expressed in area of land.

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21

Control group

In a scientific investigation, a group that experiences exactly the same conditions as the experimental group, except for the singl variable under study

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22

Accuracy

How close a measured value is to the actual or true vaule

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23

Terrestrial

of, on or relating to Earth; land based

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