Biodiversity Flashcards

1
Q

What are the three types of biodiversity?

A

Species diversity/ genetic diversity/ ecosystem diversity

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2
Q

What is species diversity?

A

The number of species and individuals in a species in a community

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3
Q

What is genetic diversity?

A

The variety of alleles amongst all the individuals in a population of one species

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4
Q

What is ecosystem diversity?

A

The range of different habitats

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5
Q

What is species richness?

A

The number of different species in one area at a particular time

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6
Q

What is a cause for concern?

A

A decrease in biodiversity and this is often caused by human activity

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7
Q

What farming activities reduce biodiversity?

A
  • destruction of hedgerows
    -selective breeding
    -monocultures
    -overgrazing
    -filling in of ponds and draining wetlands
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8
Q

What is the index of diversity

A

A measure of species diversity. It is a calculation to measure the relationship between the number of species in a community and the number of individuals in each species

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