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a Biology 2 > B17- Adaptation > Flashcards

B17- Adaptation Flashcards

1
Q

What is a population?

A

The total number of organisms of the same species that live in the same place

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2
Q

What is a community?

A

A group of 2 or more populations living in an area

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3
Q

What is an ecosystem?

A

The interaction of a community of living organisms with non living parts of their environment

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4
Q

What is competition?

A

Organisms in a community competing for resources

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5
Q

What is interdependence?

A

When species in a community depend on others for resources and shelter

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6
Q

What do animals compete for?

A

Food, shelter, territory

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7
Q

What do plants compete for?

A

Light, water, space, mineral ions

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8
Q

What is an abiotic factor?

A

A non living factor that impacts a community

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9
Q

What are some abiotic factors?

A

Carbon dioxide levels (plants), light intensity (plants), moisture levels, oxygen (aquatic), soil pH and mineral content, temperature, wind intensity

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10
Q

What is a biotic factor?

A

A living factor that impacts a community

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11
Q

What are the biotic factors?

A

Predators, pathogens, competition, food availability

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12
Q

What is a stable community?

A

When all species and environmental factors are in balance so population size remains constant

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13
Q

How do adaptations help an organism?

A

Enable the organism to survive in the conditions it lives in

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14
Q

What are the three types of adaptation?

A

Structural, behavioural and functional

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15
Q

What are extremeophiles?

A

An organism that lives in extreme conditions

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16
Q

What makes an environment extreme?

A

High or low temperatures, extreme pressures, high salt concentrations, highly acidic or alkaline conditions, lack of oxygen or water

17
Q

What are structural adaptations?

A

The physical features that allow an organism to compete

18
Q

What are behavioural adaptations?

A

The behaviour of an organism that gives it an advantage

19
Q

What are functional adaptations?

A

Adaptations that relate to the process that allow an organism to survive

20
Q

What are the adaptations of a camel?

A

Camouflaged fur, large surface area feet, hump that stores fat, tough tongue and mouth for eating cacti, long eyelashes

21
Q

What are the adaptations of a polar bear?

A

White fur for camouflage, large surface area on feet, small ears to reduce heat loss, thick fur

22
Q

What are the adaptations of a cacti?

A

Spines instead of leaves reduce water loss and deter consumers, long roots to reach underground water, large fleshy stem to store water

a Biology 2 (7 decks)

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