B16 Adaptation and interdependence Flashcards

1
Q

abundance

A

a measure of how common or rare a particular type of organism is in a given environment

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2
Q

adaptations

A

special features that make an organism particularly well suited to the environment where it lives

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3
Q

community

A

group of interdependent living organisms in an ecosystem

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4
Q

competition

A

the process by which living organisms compete with each other for limited resources such as food, light, or reproductive partners

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5
Q

distribution

A

where particular types of organisms are found within an environment

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6
Q

extremophile

A

an organism that can survive and reproduce in extreme conditions

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7
Q

interdependence

A

the network of relationships between different organisms within a community, for example each
species depends on other species for food, shelter, pollination, seed dispersal, etc.

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8
Q

mean

A

the arithmetical average of a series of numbers

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9
Q

median

A

the middle value in a list of numbers

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10
Q

mode

A

the number which occurs most often in a set of data

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11
Q

quadrat

A

a sample area used for measuring the abundance and distribution of organisms in the field

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12
Q

quantitative sampling

A

records the numbers of organisms rather than just the type

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13
Q

range

A

the maximum and minimum values for the independent or dependent variables – important in ensuring that any patterns are detected

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14
Q

sample size

A

the size of a sample in an investigation

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15
Q

transect

A

a measured line or area along which ecological measurements are made

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