Keywords - biodiversity

Question 1

Species

Answer 1

Group of similar organisms that can breed together to produce fertile offspring

Question 2

Binomial system

Answer 2

Common system of naming organisms (by Linnaeus) including a generic (genus) name and a specific (species) name

Question 3

Taxonomy

Answer 3

Theory + practice of biological classification; each group known as a taxon

Question 4

Phylogeny

Answer 4

Evolutionary relationships between organisms - usually shown by branching trees

Question 5

Hierarchy

Answer 5

System where groups are contained within larger composite groups + do not overlap

Question 6

Species diversity

Answer 6

No. of different species and no. of individuals of each species within a community

Question 7

Diversity index

Answer 7

Way of measuring species diversity, takes into account no. of different species + their relative abundance

Question 8

Random sampling

Answer 8

Way of preventing sampling bias by eliminating human involvement in choice of samples, usually using a random number generator

Question 9

Normal distribution

Answer 9

Bell shaped distribution curve, symmetrical about a central value, typical for features showing continuous variation

Question 10

Standard deviation

Answer 10

Measure of width of a normal distribution curve, indication of range of values either side of the mean

Question 11

Biodiversity

Answer 11

Number, variety, and variability among organisms

Question 12

Ecosystem diversity

Answer 12

Range of different habitats within a particular area