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Biology Unit 3 > Unit 1 > Flashcards

Unit 1 Flashcards

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1
Q

Species

A

Group of organisms which can interbreed and produce fertile offspring

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2
Q

Biodiversity

A

Range of species within an ecosystem

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3
Q

Population

A

Group of organisms of the same species

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4
Q

Producer

A

Organism which produces its own food

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5
Q

Consumer

A

Organism which consumes other organisms food

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6
Q

Herbivore

A

Organism which only consumes plant matter

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7
Q

Carnivore

A

Organism which only consumes animal matter

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8
Q

Omnivore

A

Organism that consumes both plant and animal matter

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9
Q

Predator

A

Animal which hunts other animals for food

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10
Q

Prey

A

Organism which is hunted and killed by a predator

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11
Q

Food chain

A

Diagram which shows a simple feeding relationship between organisms

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12
Q

Ecosystem

A

Consists of all the organism living in a particular habitat and the non living components with which the organism interacts

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13
Q

Niche

A

A role that an organism plays within a community

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14
Q

A niche relates to

A

Resources an organism requires in its ecosystem, such as light and nutrient availability and its interactions with other organisms in a community. Involves competition and predation and condition can tolerate such as temp

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15
Q

Competition

A

Resources an organisms require which are in short supply

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16
Q

Interspecific competition

A

Occurs amongst individuals of different species for one or a few of the resources they require

17
Q

Intraspecific competition

A

Occurs amongst individuals of the same species and is for all resources required

18
Q

Intensity

A

Intra is more intense than inter

19
Q

Habitat

A

The place where an organism lives. E.g in water, in soils, in trees

20
Q

Community

A

All the organisms that live in a particular area

21
Q

Decomposer

A

An organism which feeds on dead organisms

Biology Unit 3 (6 decks)

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