Biodiversity and Species Richness
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Questions and Answers

What is species richness a measure of?

  • Number of alleles in a gene pool
  • Number of different species in a community (correct)
  • Abundance of different species in a habitat
  • Genetic variation in a species

Which sampling method involves taking samples at every few meters in a defined pattern?

  • Stratified sampling
  • Random sampling
  • Systematic sampling (correct)
  • Opportunistic sampling

What does genetic diversity measure within a species?

  • Abundance of different species in a habitat
  • Comparison of abundance of different species
  • Number of species in the community
  • Number of alleles in a gene pool (correct)

Which sampling method is based on ease of access to a source?

<p>Opportunistic sampling (A)</p> Signup and view all the answers

What does species evenness compare in a habitat?

<p>Abundance of different species (A)</p> Signup and view all the answers

What does the heterozygosity index (H) measure?

<p>Genetic diversity of a species (D)</p> Signup and view all the answers

How is the index of diversity (D) calculated?

<p>D = N / n (B)</p> Signup and view all the answers

Why is maintaining biodiversity important?

<p>For ecological, economic, and aesthetic reasons (D)</p> Signup and view all the answers

Which method is an example of ex situ conservation?

<p>Zoos (B)</p> Signup and view all the answers

What do zoos primarily use to conserve endangered species and their genetic diversity?

<p>Various conservation strategies (B)</p> Signup and view all the answers

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