Classification Of Organisms Flashcards
What does phylogeny tell us?
Tells us the revolutionary history of organisms
What do phylogenetic trees show?
They show the relationship between members of species and their common ancestors
The closer the branches are on a phylogenetic tree the….
The closer relatives they are
What groups together related organisms?
Classification groups
Define taxons
The classes organisms are sorted into- arranged by hierarchy
List the hierarchy
Domain, kingdom, phylum, class, order, family, genus and species
Define a species
A group of similar organisms capable of reproducing organisms
What is the naming system for organisms called?
The binomial system
Describe the binomial naming system
Genus species
What does the binomial system prevent?
The confusion between species
What behaviour can help classify species?
Courtship behaviour
What is courtship?
When a species attracts a mate to produce offspring
List the features of courtship
- It is species specific, to prevent interbreeding
- The closer the relation of species the more similar their courtship behaviour is
Give an example of simple courtship behaviour
Releasing chemicals
Give an example of complex courtship behaviour
A series of displays
