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Yr 11 Biology > Glossary > Flashcards

Glossary Flashcards

(20 cards)

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1
Q

What is the definition of Abiotic?

A

Any ecosystem factor, attribute or component that is devoid of life

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2
Q

What is the definition of Biotic?

A

The living organisms present in an ecosystem

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3
Q

What is the definition of an Ecosystem?

A

A biological community of interacting organisms

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4
Q

What is the definition of Sclerophyll?

A

A woody plant with leaves that are tough and thick to reduce water loss

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5
Q

What is the definition of Biomass?

A

Dry weight of living matter

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6
Q

What is the definition of Population?

A

A group of organisms of the same species that live in the same area at the same time

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7
Q

What is the definition of Community?

A

All the populations of different species that live in a given area

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8
Q

What is the definition of an Ecosystem?

A

Consists of the community and habitat

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9
Q

What is the definition of Symbiosis?

A

Close association between two or more organisms of different species often benefiting each member

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10
Q

What is the definition of Mutualism?

A

Two organisms of different species working together with each benefiting

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11
Q

What is the definition of Parasitism?

A

One organism benefits while the other is harmed

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12
Q

What is the definition of Commensalism?

A

One organism benefits while the other is unaffected

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13
Q

What is the definition of Allelopathy?

A

Where an organism produces one or more biochemicals that influence growth, survival and reproduction of other organisms

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14
Q

What is the definition of a Keystone Species?

A

An organism that helps to define an entire ecosystem

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15
Q

What is the definition of an Adaptation?

A

A specific trait that gives a species an increased chance of survival in its niche

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16
Q

What is the definition of Fitness?

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A

The ability of an organism to survive and pass on its genes to the next generation

17
Q

What is the definition of Permaculture?

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A

An agricultural ecosystem designed to be sustainable and self-sufficient

18
Q

What is the definition of Speciation?

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A

When a species diverge into groups that are genetically diverse to the point that they can not have fertile offspring

19
Q

What is the definition of Sympatric Speciation?

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A

Speciation occurs in the same area

20
Q

What is the definition of Allopatric Speciation?

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A

Speciation occurs due to geographical divergence

Yr 11 Biology (2 decks)

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