Classification Extra Flashcards
What are the rules applied to the binomial naming system?
The names are printed in italic, or underlined if hand written, to indicate that they are scientific names
The first letter of the generic name is in upper case but the specific name is in lower case
If the specific name is not known it can be written as ‘sp.’
What is classification?
The organisation of living organisms into groups based on a number of accepted principles
What is artificial classification?
Divides organisms according to differences that were useful at the time. They are described as analogous characteristics where the have the same function but not evolutionary origins
What is natural classification?
It is based upon the evolutionary relationships between organisms and their ancestors. It classifies species into groups using shared features derived from their ancestors. It arranges the groups into a hierarchy.
How are the phylogenetic relationships of different species presented?
A phylogenetic tree - oldest species at base of tree while most recent ones are represented by the ends of the branches
It is important to ensure the mating is successful. How does courtship help achieve this?
It enables individuals to:
Recognise members of their own species
Identify a male that’s capable of breeding
Form a pair bond
Synchronise mating
