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Science > Quiz 8/21 > Flashcards

Quiz 8/21 Flashcards

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Biology 101 flashcards
1
Q

What is an exponential graph?

A

J

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2
Q

What is a logistic graph?

A

/\

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3
Q

The form of environmental resistance

A

Limiting factor

It limits population and increase population

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4
Q

Natural disasters

A

Disasters caused by nature

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5
Q

Density

A

Organisms per unit area

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6
Q

Toxic

A

Poisonous

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7
Q

Tail races

A

Area of water located behind a dam

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8
Q

Aquatic

A

Taking place in or on the water

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9
Q

Penetrate

A

To enter or force a way into

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10
Q

Depletion

A

The use or consumption of a resource

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11
Q

Turbid

A

Degree of cloudiness of water

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12
Q

Tributaries

A

A stream that flows into a larger stream or other body of water

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13
Q

Invasive

A

Moves in without right or permission, intrusive

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14
Q 
Can affect a population no matter what it's density is 
Natural disasters 
Temperature 
Sunlight 
Human activities 
Physical characteristics 
Behaviors of organisms 
Density doesn't matter
A

Density Independent factors

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15
Q

Things can cause species to die out or move locations

Warm water holds less oxygen

A

Temperature

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16
Q

Organisms have adapted and evolved to increase survival

A

Physical characteristics

17
Q

Travel to mate or find new food sources

A

Behaviors

18
Q 
Can only affect a population when it reaches a certain density 
Competition 
Predation 
Disease
Parasitism 
Crowding 
Stress
A

Density dependent factors

19
Q

When species fight for resources

This only happens when northern pike and walleye have high densities or the population of yellow perch is low

A

Competition

20
Q

When population of density is high

A

Predation

21
Q

High densities make it easier for parasites

When the population of this increases with he density of that population

A

Disease

22
Q

When one species benefits at the expense of the other

A

Parasitism

23
Q

Certain amount for an organism to live

A

Space availability

24
Q

Has a negative effect on population

A

Stress

25
Q

Lake Winnipeg is a shallow lake composed of two basins

A

A wide north and a narrow south basin

26
Q

Yellow perch prefer temperature of

A

18-20 degrees Celsius

They will move or die

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