Biology Ch 14 Vocab Flashcards

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1
Q

cardio

A

heart

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2
Q

cereb

A

brain

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3
Q

chromo

A

color

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4
Q

circ

A

around

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5
Q

con

A

together

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6
Q

Limiting factors that are affected by the number of individuals in a given population

A

Density-dependent factors

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7
Q

The aspects of the environment that limit a population’s growth regardless of the density of the population

A

Density-independent

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8
Q

The sequence of biotic changes that regenerate a damaged community or create a community in a previously uninhabited area

A

succession

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9
Q

The establishment and development of an ecosystem in an area that was previously uninhabited

A

primary succession

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10
Q

The first organisms that live in a previously uninhabited area

A

pioneer species

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11
Q

The re-establishment of a damaged ecosystem in an area where the soil was left intact

A

secondary succession

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12
Q

Exponential growth

A

Population growth that is unhindered; usually because of abundant resources

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13
Q

Which of the following would not be an example of primary succession? A melting glacier, flooding, a volcanic eruption, or strip mining

A

flooding

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14
Q

Which of the following answers would not be part of the habitat but is part of the ecological niche? biotic factors, abiotic factors, behavior, food

A

behavior

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15
Q

Which of the following is not an example of competition? Two male lions fighting over mating rights, a lion and a hyena fighting over a kill, two birds displaying territorial rights, a tick attaching to a dog

A

a tick attaching to a dog

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16
Q

The lesser long-nosed bat depends on night-blooming cacti as its primary food source. As the bat feeds on the cactus fruit the seeds from the cactus are also ingested. The indigestible seeds are dispersed to new locations in the bat droppings. Those that land in a favorable environment will develop into new cacti plants. This is an example of which type of symbiosis?

A

mutualism

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17
Q

carcin

A

cancer

18
Q

cephalo

A

head

19
Q

chloro

A

green

20
Q

chondro

A

cartilage

21
Q

counter

A

against

22
Q

What is a habitat?

A

all the biotic and abiotic factors in the area where an organism lives

23
Q

What is an ecological niche?

A

all of the chemical, physical, and biological factors that a species needs to survive, stay healthy and reproduce

24
Q

What is competitive exclusion?

A

when two species are competing for the same resources, and one species is better suited to the niche pushing the other species out or making it extinct

25
Q

Ecological equivalent

A

Species that occupy similar niches but live in different geographical regions

26
Q

Competition

A

When organisms fight over the same resources

27
Q

predation

A

The process by which one organism captures and feeds upon another organism

28
Q

symbiosis

A

a close ecological relationship between two or more organisms of different species that live in direct contact with one another

29
Q

mutualism

A

An interspecies interaction in which both organisms benefit

30
Q

commensalism

A

A relationship between two organisms in which one receives and ecological benefit form the other, while the other species neither benefits or is harmed

31
Q

parasitism

A

a relationship in which one species benefits and the other, the host, is harmed

32
Q

population density

A

a measurement of the number of individuals living in a defined space

33
Q

population dispersion

A

the way in which individuals of a population are spread in an area

34
Q

survivorship curve

A

a generalized diagram showing the number of surviving members over time from a measured set of births

35
Q

carrying capacity

A

the maximum number of individuals of a particular species that the environment can normally and consistently support

36
Q

population crash

A

a dramatic decline in the size of a population over a short period of time

37
Q

immigration

A

the movement of individuals INTO a population from another population

38
Q

emigration

A

the movement of individuals OUT of a population into another population

39
Q

exponential growth

A

occurs when a population size increases dramatically over a period of time

40
Q

logistic growth

A

a population begins with a period of slow growth followed by a brief period of exponential growth before leveling off at a stable size

41
Q

limiting factor

A

a factor that has the greatest effect in keeping down the size of a population

42
Q

What are the two types of limiting factors?

A

density dependent and density independent