Biodiversity

Question 1

Biodiversity definition

Answer 1

The number of species and the number of individuals of each species in a given environment.

Question 2

3 components of Biodiversity

Answer 2

Species diversity: the number of different species and the number of individuals of each species

Genetic diversity: this refers to the genetic variation between members of a species. The variation of alleles within a species (or a population of a species)

Ecosystem diversity: the range of different habitats within a particular area. The more different habitats there are the greater the species diversity.

Question 3

Biodiversity of hotspots

Answer 3

• Biodiversity hotspots are areas of major biodiversity
• Found in tropics
• Due to high light intensity all year so high rate of photosynthesis = more different food

Question 4

Biodiversity can vary over time - there are 3 ways this can happen:

Answer 4

1) Succession (change over time) - Change in organisms over time