Chapter 19 Flashcards

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1
Q

The Study of organisms where they live and how they interact with each other and their environment

A

Ecology

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2
Q

All organisms of one kind living together

A

Populations

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3
Q

What are the physical conditions affect functioning of cells and whole organism

A

Temperature, Water, Sunlight, Soil

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4
Q

Where can the organism survive is called it’s

A

Range

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5
Q

Two types of populaton growth

A

Exponential
Logistical

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6
Q

Which growth rate is a constant growth rate the leads to accelerating increase in population number (doubling effect)

A

Exponential

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7
Q

Which type of growth rate limits how large a population can grow

A

Logistical

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8
Q

what causes the limitaions in growth rates

A

Resource availability
Death increases vs Births decrease
(Carrying capacity)

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9
Q

Where do we see logistical growth practically applied

A

Havesting plants and animals
(maximum sustainable yield)

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10
Q

When, how often and how much to reproduce determines a species’

A

Life History Patterns
r-Selected r = growth rate
K-selected K = carrying capacity

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11
Q

The study of population statistics

A

Demography

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12
Q

Three of the trends that demography tracks

A

Age distribution
Growth predictions (birth/mortality rates)
Survivorship curves

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13
Q

Organisms’s “place” in the community

A

Niche
includes habitat and
resourse use

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14
Q

The Niche of all places where organisms are capable of living

A

Fundamental Niche

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15
Q

The Niche where organisms actually live

A

Realized Niche

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16
Q

Two organisms wanting to use the same resource

A

Competition
(not enough for all)

17
Q

Competition with organisms of same species

A

Intraspecific

18
Q

Type of competition with organisms of different species

A

Interspecific competition

19
Q

Exclusion where two species have the same resource needs, one will always be the better competitor

A

Competitive Exclusion

20
Q

How organisms bypass competitive exclusion

A

Resource Partitioning
Predation (removal of competitor)

21
Q

Two or more organisms living together in close association

A

Symbiosis

22
Q

Two species acting as selection pressure on each other

A

Coevolution

23
Q

Symbiosis where both species gain a benifit

A

Mutualism

24
Q

Symbiosis where one species benefits and the other is unaffected

A

Commensalism

25
Q

Symbiosis where one species benefits and the other is harmed

A

Paratism

26
Q

One species killing another for food is called

A

Predation

27
Q

To defend against predation species evolve three types of defense

A

Physical
Chemical
Behavioral

28
Q

Predictable change in community composition over time

A

Succesion

29
Q

The type of succession from bare rock/sand
(soil forming)

A

Primary succession

30
Q

The type of succession from bare soil

A

Secondary