Genetic Information, Variation and Relationships Between Organisms: Biodiversity Within a Community

Question 1

Define the term biodiversity

Answer 1

• Biodiversity is the variety of living organisms in an area

Question 2

Define the term community

Answer 2

• All the populations of different species in a habitat

Question 3

Define the term species diversity

Answer 3

• The number of different species in a habitat

Question 4

Define the term population

Answer 4

• All the organisms of one species in a habitat

Question 5

What does an index of diversity describe?

Answer 5

• Describes the relationship between the number of species in a community and the number of individuals in each species
• I.e relationship between species richness and the populations

Question 6

What is the formula for the index of diversity and what does each term mean?

Answer 6

• d = index of diversity
• N = total number of organisms of all species
• n = total number of organisms of one species

Question 7

How do farming techniques tend to affect biodiversity?

Answer 7

• Reduce biodiversity