Biodiversity Flashcards

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1
Q

What is biodiversity

A

The variety of life, which can be measured on a genetic, species or habitat level.

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2
Q

What are CITES

A

Convention on International Trade in Endangered Species of Wild Fauna and Flora

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3
Q

What is ex situ conservation

A

Conservation of a species outside its natural habitat

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4
Q

What is genetic diversity

A

Measure of the variety of alleles in a species

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5
Q

What is genetic erosion

A

Loss of genetic diversity in a species

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6
Q

What is a habitat

A

The place where an organism lives

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7
Q

What is habitat diversity

A

The Range of habitats in an area

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8
Q

What is in situ conservation

A

Conservation of a species in its natural habitat

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9
Q

What is a keystone species

A

A species that has a disproportionate effect on a habitat

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10
Q

What a monoculture

A

A crop consisting of one variety of a species

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11
Q

What does polymorphic mean

A

A gene with two or more possible alleles

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12
Q

What’s a quadrat

A

Square frame used to define a sample area

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13
Q

What is random sampling

A

Obtaining, without bias, a representative subset of a population - where all members of the population have an equal chance of being chosen

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14
Q

What is Simpsons index

A

A calculated measure of diversity, that takes into account the number of species present, as well as the relative abundance of each species

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15
Q

What is a species

A

A group of organisms whose members can interbreed to produce fertile offspring and possess similar genetics, physiology, appearance and behaviour.

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16
Q

What’s species diversity

A

Measurement of the number of different species in a habitat and the abundance of individuals of each species.

17
Q

What is species evenness

A

The number of individuals of each species in a habitat

18
Q

What is species richness

A

The number of different species in a habitat

19
Q

What is stratified sampling

A

Taking representative samples from each area in a habitat

20
Q

What is systematic sampling

A

Taking samples at regular intervals across a habitat

21
Q

What’s a transect

A

A straight line across a habitat, along which samples are taken