Ecosystems Flashcards

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1
Q

<p>extinction</p>

A

<p>The process of species becoming terminated</p>

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2
Q

<p>invasive species</p>

A

<p>species that are not native to their current environment and dominate, pushing out native species.</p>

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3
Q

alien species

A

species living outside there native distributional range

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4
Q

The part of the earth´s surface that supports life.

A

Biosphere

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5
Q

The gasses envelope surrounding the earth : the air.

A

Atmosphere

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6
Q

an eco-system that is capable of withstanding pressure, and give support to new species

A

Sustainable Ecosystem

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7
Q

A substance of the earth that provides nourishment for life.

A

Nutrients

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8
Q

<p>the living parts of an eco-system</p>

A

<p>Biotic</p>

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9
Q

<p>the non living parts of an ecosystem</p>

A

<p>abiotic</p>

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10
Q

the solid outer section of the earth’s crust

A

lithosphere

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11
Q

the liquid water component of the earth

A

hydrosphere

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12
Q

<p>An animal that preys on others</p>

A

<p>Predator</p>

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13
Q

<p>An animal that is hunted</p>

A

<p>Prey</p>

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14
Q

when two different species exist in a relationship in which they benefit from each other

A

Mutualism

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15
Q

The accumulation of a substance within a living organism

A

Bioaccumulation

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16
Q

The process that take place in the cells of organisms to produce usable chemical energy.

A

Cellular Respiration

17
Q

the size of a population that can be supported indefinitely by the available resources and services of an ecosystem

A

Carrying Capacity

18
Q

the role and function of an organism within an ecosystem

A

Ecological Niche

19
Q

all the waters found on earth, such as lakes and oceans & ground water, and some times consisting of water above the earth’s surface, such as clouds

A

hydrosphere

20
Q

Is an ethic that embodies the responsible planning and managing of resources to preserve all the living things in an area.

A

Stewardship

21
Q

It is the scientific study supporting the practice of helping ecosystems recover from damage.

A

Restoration ecology

22
Q

The use of either naturally occurring or deliberately introduced micro organisms to clean up toxic chemicals in water or soil.

A

Bioremediation

23
Q

the variety of different types of life found on earth

A

biodiversity

24
Q

an ecosystem that is water-based either fresh water or salt water

A

aquatic ecosystem

25
Q

an ecosystem that is land-based

A

terrestrial ecosystem

26
Q

a process in which nutrient levels in a aquatic ecosystems increase leading to an increase in the populations of primary producers which can lead to a steady decline in the system

A

eutrophication

27
Q

All the populations of the different species that interact in a specific ecosystem.

A

Community

28
Q

A species that can greatly affect population numbers and the health of an ecosystem.

A

Keystone species

29
Q

The series of changes in ecosystems that occurs over time following a disturbance.

A

Succession

30
Q

All the individuals of a species that occupy a geographic area

A

Population

31
Q

A factor that limits the growth, distribution, or amount of a population in an ecosystem

A

Limiting factor