Agriscience and the environment Flashcards

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1
Q

natural resources

A

Those elements of nature that have value, such as timber, soil, fresh water, or a mineral deposit.

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2
Q

environment

A

All the conditions, circumstances, and influencers surrounding and impacting an organism

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3
Q

pollutants

A

substances introduced to the environment that have harmful effects or can make a resource less useful.

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4
Q

Environmental Protection Agency (EPA)

A

This agency encourages policy that benefit the environment and help regulate businesses so that the pollutants that they make will not overwhelm the environment

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5
Q

pesticides

A

Chemicals designed to kill insects, and fertilizers.

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6
Q

Erosion

A

Wearing away of soil, usually due to either water or wind.

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7
Q

topsoil

A

The soil on the surface and is the richest and most fertile.

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8
Q

herbicides

A

Chemicals designed to kill certain plants.

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9
Q

water table

A

The top zone of the soil and rock where water fills the voids. In other words it is the water under the surface that will eventually make its way to open water sources.

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10
Q

ecosystem

A

A community of independent organisms in an environment.

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11
Q

ozone layer

A

This layer of air forms a barrier between the earth’s atmosphere ( what we breathe) and the sun.

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12
Q

Parasitism

A

This term describes relationships in which one organism lives off another, often to the other’s detriment.

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13
Q

Mutualism

A

If two animals are in a relationship that benefits them
both

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14
Q

Predation

A

When one animal eats another.

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15
Q

Commensalism

A

In this relationship, two animals interact with each other but it’s neither positive nor negative.

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16
Q

Competition

A

If two different are going after the same food source.