Biodiversity

Question 1

Biodiversity

Answer 1

The number of different species within an ecosystem and the number of different alleles within a species.

Question 2

Endemic

Answer 2

Species found in only one geographical location.

Question 3

Measuring biodiversity

Answer 3

Biodiversity can be measured within a habitat using species richness and within a species using genetic diversity by calculating the heterozygosity index (H

Question 4

Heterozygosity index

Answer 4

X

Question 5

Niche

Answer 5

The role an organism occupies within a species

Question 6

Anatomical adaptation definition and example

Answer 6

A structural thing that increases an organisms chance of survival. E.g sharp teeth on sharks.

Question 7

Physiological adaptation definition and structure

Answer 7

A process that increases an organisms chance of survival e.g skunks spraying toxins when threatened.

Question 8

Behavioural adaptation definition and example

Answer 8

An action that increases an organisms chance at survival and reproduction. E.g birds mating dances.

Question 9

Species

Answer 9

A group of organisms capable of interbreeding to produce fertile offspring.