Definitions Flashcards

1
Q

define population

A

Group of organisms of Same species living Same habitat at the same time and are able to produce viable offspring

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2
Q

define population size and pop density

A

Total number of organisms in a population. Total number organisms in a population per unit area

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3
Q

Define natality

A

Birth rate of population. Increase population as more individuals

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4
Q

Define mortality

A

death rate of a population. decrease pop size

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5
Q

Define immigration

A

one way movement of organisms into a new area

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6
Q

define emigration

A

one way movement of organisms exiting an area

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7
Q

What is carrying capacity?

A

carrying capacity is the maximum amount of individuals restricted by the environmental resistance which is when the resources available in the environment limit the population growth

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8
Q

define population ecology

A

part of ecology that focuses on the factors that influence a populations size, growth rate, growth forms and distribution of individuals in population

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9
Q

Define culling, opinion and alternatives

A

Reduction of wild animal population by selective slaughter. Regulate under carrying capacity

Cause unnecessary animal suffer

Contraception, relocaton

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10
Q

Define dilution effect

A

Presence of more individuals in population reduces the risk of any one individual coming into contact of disease or predator

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