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Biology > Ch 3 Test > Flashcards

Ch 3 Test Flashcards

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AP® Biology flashcards Biology 101 flashcards
0
Q

Any abiotic or biotic factors that restricts the existence, numbers, reproduction, or distribution of organisms

A

Limiting factors

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1
Q

A stable, mature community that undergoes little or no change in species

A

Climax community

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2
Q

The colonization of new sites by communities of organisms

A

Primary succession

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3
Q

The sequence of community changes that takes place after a community is disrupted by natural disaster or human actions

A

Secondary succession

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4
Q

Orderly, natural changes and species replacements that take place in the communities of an ecosystem

A

Succession

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5
Q

Deep water that never receives sun

A

Aphotic zone

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6
Q

A large group of ecosystems that share the same type of climax community

A

Biome

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7
Q

Driest biome, sparse to nonexistent plant life, usually gets less than 25cm of precipitation annually

A

Desert

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8
Q

Coastal body of water, partially surrounded by land, in which freshwater and saltwater mix

A

Estuary

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9
Q

Contain fewer than 10 trees per acre, occupies the largest area of any biome, receives 25-75cm of rainfall with a variety of grasses and other small plants

A

Grasslands

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10
Q

The portion of the shoreline that lies between the high and low tides lines

A

Intertidal zone

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11
Q

Permanently frozen ground

A

Permafrost

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12
Q

Shallow enough for sunlight to penetrate; ex: coastlines, rocky shores, sandy beaches

A

Photic zone

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13
Q

Small organisms that live in the waters of the photic zone; they can be autotrophs or heterotrophs

A

Plankton

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14
Q

Land of larch, fir, hemlock and spruce trees; next to the tundra and shares many of the same characteristics; soil is poor in minerals

A

Taiga

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15
Q

Dominated by broad-leaved hardwood trees that lose their foliage annually

A

Temperate forests

16
Q

Warm temperatures, wet weather, lush plant growth

A

Tropical rain forests

17
Q

Treeless land with long summer days and short periods of winter sunlight

A

Tundra

18
Q

T or F

The interactions of abiotic factors result in conditions that are suitable for some organisms but not for others.

A

True

19
Q

T or f

Food availability and temperature can be -biotic factors- for a particular organism.

A

False, limiting factors

20
Q

A limiting factor is any biotic or abiotic factor that -promotes- the existence, numbers, reproduction, or distribution of organisms.

A

False,restricts

21
Q

Sequence of community changes where soil is formed, allowing small, weedy plants to inhabit the area

A

Primary succession

22
Q

Sequence of community changes occurring as a result of a natural disaster, such as a forest fire

A

Secondary succession

23
Q

A stable, mature community with little or no succession occurring

A

Climax community

24
Q

An example of a biotic limiting factor affection a community of organisms

A

Amount of plant growth

25
Q

An example of an abiotic limiting factor affecting a community or organisms

A

A severe drought

26
Q

A large group of ecosystems sharing the same type of _____________ is called a __________.

A

Climax community, biome

27
Q

Biomes located in bodies of _________, such as oceans, lakes, and rivers, are called __________.

A

Water, aquatic

28
Q

The water in marine biomes is________.

A

Salt water

29
Q

Oceans contain the largest amount of ________, or living material, of any biome on earth. Yet, most of the organisms are so _______ that they cannot be seen without magnification.

A

Biomass, small

30
Q

The _________ is that part of marine biomes shallow enough to be penetrated by sunlight.

A

Photic zone

31
Q

Deep water regions of marine biomes receiving no sunlight make up the ____________.

A

Aphotic zone

32
Q

If you followed the course of a river, it would eventually flow into

A

An ocean or a sea

33
Q

The body of water where fresh water from a river mixes with salt water is called

A

An estuary

34
Q

Organisms living in intertidal zones have structured that protect them from

A

Wave action

35
Q

Life is abundant in photic zones because

A

There are many nutrients

36
Q

The greatest number of organisms living in the photic zone if a marine biome are

A

Plankton

37
Q

Few organisms live at the bottom of a deep lake because of the lack of

A

Sunlight

38
Q

Which two abiotic factors generally determine the type of climax community that will develop in a particular part of the world?

A

Temperature, precipitation

Biology (12 decks)

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