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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?

Opportunistic sampling Signup and view all the answers

What does species evenness compare in a habitat?

Abundance of different species Signup and view all the answers

What does the heterozygosity index (H) measure?

Genetic diversity of a species Signup and view all the answers

How is the index of diversity (D) calculated?

D = N / n Signup and view all the answers

Why is maintaining biodiversity important?

For ecological, economic, and aesthetic reasons Signup and view all the answers

Which method is an example of ex situ conservation?

Zoos Signup and view all the answers

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

Various conservation strategies Signup and view all the answers