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BY4 > Populations > Flashcards

Populations Flashcards

1
Q

Dynamic

A

Constantly changing components of our ecosystem

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2
Q

Carrying capacity

A

The maximum population size that a particular environment can support indefinitely

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3
Q

Pest

A

When a population of an organism increases and causes economic loss to humans

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4
Q

Pest control aim

A

To reduce the pest population to a level that does not result in an economic loss for the farmer

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5
Q

Population

A

A group of interbreeding individuals of the same species in a particular habitat at a particular time

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6
Q

Intraspecific competition

A

Competition between individuals of the SAME species

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7
Q

Interspecific competition

A

Competition of individuals of DIFFERENT species

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8
Q

Biological control advantages

A

Specific to pest

Nontoxic to other organisms (people/ wildlife/ beneficial insects/ natural predators)

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9
Q

Disadvantage of biological control

A

Only effective for a short period of time

May need to be reapplied

Does not eradicate pest totally

More labour intensive

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BY4 (6 decks)

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