10.1 Species And Taxonomy Flashcards
Define species?
Members who can breed fertile offspring with each other
What criteria’s ensure successful breeding by engaging in courtship behaviour?
Same species
Both sexually mature
Form bond between parent to raise kid
Synchronising fertility
Define genetic diversity
Number of different alleles of genes in a species of a population
Define allele frequency
How often a particular allele occur within a population
Define gene flow
Different populations breeding and giving each other new alleles
What increases the frequency of positive alleles?
Natural selection
What is direction change in evolution in terms of tail length?
Where the length of the tail increases
What is a stabilising change in terms of length of tails?
More animals have the same length tail
What is the first name of an animal?
The genus
What is artificial classification?
Divides animals into physical characteristics but not evolutionary origin
What is natural classification?
Based upon evolutionary relationships
What are the 7 taxons?
Kingdom
Phylum
Class
Order
Family
Genus
Species
