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BIO 150.01 > M4: Community Ecology - Community Structure > Flashcards

M4: Community Ecology - Community Structure Flashcards

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Biology 101 flashcards
1
Q

What summarizes interactions in a community?

A

Food Web

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2
Q

What shapes community structure?

A

Strong interactions

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3
Q

What are species with high abundance/biomass influencing community structure?

A

Dominant/Foundation Species

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4
Q

What can produce indirect interaction?

A

Direct Interspecific Interaction

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5
Q

What involves two species without an intermediate/intermediary species?

A

Direct Interactions

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6
Q

What is one species affects the other through intermediary?

A

Indirect Interaction

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7
Q

What activities of one species indirectly benefit another through intermediary?

A

Indirect Commensalism

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8
Q

What assumes interaction between individuals affecting a negative impact on fitness?

A

Interspecific Competition

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9
Q

What occurs when two species share a predator/herbivore?

A

Apparent Competition

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10
Q

When prey populations increases, what will happen to predator population?

A

Increase

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11
Q

What is the keystone species hypothesis?

A

Keystone species are crucial to an ecosystem’s community

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12
Q

What regulates prey population below K?

A

Predators

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13
Q

What happens when population is below K?

A

Competitive Exclusion are less likely

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14
Q

What happens when keystone species reduces competitive exclusion?

A

More species can coexist

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15
Q

What are mutualistic species that have high impact on community?

A

Mutualistic Keystone Species

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16
Q

What are those whose influence on a community is disproportionate to their biomass (lower biomass)?

A

Keystone Species

17
Q

What are species that are dominant, high biomass, or abundance that affects community structure?

A

Dominant/Foundational Species

18
Q

Can dominant species be keystone species?

A

Yes

19
Q

With intermediate disturbance, what happens to population?

A

Increase

20
Q

What does strong competition induce?

A

Evolutionary Response (new Species can be forn from fundamental niche) and Competitive Exclusion

BIO 150.01 (13 decks)

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