Chapter 43 Flashcards

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0
Q

Name the 6 subfields of ecology

A

Organism, Population, Community, Ecosystem, Biome, Biosphere

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1
Q

What is the definition of ecology

A

Scientific study of the interactions between organisms and the environment.

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2
Q

What is organismal ecology

A

An organisms structure, physiology, and behavior. How they meet the challenges posed by the environment.

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3
Q

How do humpback whales choose their calling grounds is an example of what subfield of ecology

A

Organismal

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4
Q

What is population ecology

A

The factors that affect how many individuals of a particular species live in an area.

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5
Q

What environmental factors affect reproduction rates in deer mice is an example of what subfield of ecology

A

Population ecology

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6
Q

What is community ecology

A

How different species interact with each other

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7
Q

What factors influence diversity of species that make up a forest is an example of what subfield of ecology

A

Community ecology

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8
Q

What is ecosystem ecology

A

Emphasizes energy flow and chemical cycling among the various biotic and abiotic components.

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9
Q

How will our ecosystem be affected by climate change is an example of what ecology subfield

A

Ecosystem.

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10
Q

What is landscape ecology

A

Focuses on factors controlling exchanges of energy, materials, and organisms across multiple ecosystems.

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11
Q

How do trees lining drainage channels serve as corridors of dispersal of forest animals? What subfield

A

Landscape

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12
Q

What is biosphere ecology

A

Examines how the regional exchange of energy and materials influences the functioning and distribution of organisms across the biosphere.

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13
Q

What are three types of biotic components in an environment

A

Interactions with other species, predation, competition.

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14
Q

Why does temperature affect organism distribution

A

It affects biological processes.

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15
Q

What are six abiotic factors in the environment

A

Temperature, Water and Oxygen availability, salinity, sunlight, wind, soil.

16
Q

What is a climate

A

The prevailing weather conditions in an area.

17
Q

What is adiabatic cooling

A

For every 1000 m increase in elevation, the temp drops 10 degrees celsius.

18
Q

What is a rain shadow

A

Warm moist air flows up mountain and cools releasing precipitation, leeward side allows drier air to descend.

19
Q

What is an oligotrophic lake

A

High in elevation, low amount of nutrients.

20
Q

What are different flora and fauna the result of

A

independent evolution of separate unconnected populations.

21
Q

Name the 6 major biogeographic regions

A

Nearctic, Palearctic, Neotropical, Ethiopian, Oriental, Australian

22
Q

What divides the biogeographical regions

A

Oceans, himalayas, the sahara desert.