4.5 - Species and taxonomy

Question 1

Define species

Answer 1

Group of organisms that can breed to produce fertile offspring

Question 2

Define phylogeny

Answer 2

The evolutionary history of organisms

Question 3

What is the purpose of courtship behaviour and describe the key features

Answer 3

A necessary precursor to successful mating (species recognition)
Same species
Opposite sex
During fertile period

Question 4

How does the phylogenetic classification system arrange species?

Answer 4

Into groups based on their evolutionary origins and relationships

Question 5

Name the two key features of a hierarchy

Answer 5

Smaller groups placed within larger groups
No overlap between groups

Question 6

What is a group called in a hierarchy?

Answer 6

Taxon (plural: taxa)

Question 7

Name the taxa in order in the hierachy

Answer 7

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 8

How is a species universally identified?

Answer 8

By its binomial - genus and species