Who developed the traditional classification system
Carl Linnaeus
What are the seven levels of the classification system
Kingdom
Phylum
Class
Order
Family
Genus
Species
How are organisms named
By the binomial system
What caused the near classification model
New evidence
What developed the three domain system
Carl woese
What are the three domains
Archaea
Bacteria
Eukaryota
What are evolutionary trees
Shows how organisms are related
What is evolution
A change in the inherited characteristics of a population
What can evolution result in
New species
When do two populations become new species
When they can no longer breed to produce fertile offspring
What is variation
Differences in characteristics
What can cause variation
Inherited genes
What are the genetic causes of variation
Differences in inherited genes
Environmental causes of variation
Differences in conditions in which they have developed
What influences the phenotype of an organism
Genome and its environment
Where do all variants come from
Mutations
How often do mutations occur
Continuously
Do most mutations have an affect
No
Is there usually genetic variation in a population
Yes
What is selective breeding
Process in which humans breed animals and plants for desired characteristics
Another name for selective breeding
Artificial selection
How long have humans been selective breeding
Thousands of years
How does selective breeding work
Choose parents with desired characteristics
Breed together
Breed offspring with desired characteristics
Repeat over generations
Examples of selective breeding
Disease resistant crops
Animals producing more meat or milk
Gentle dogs
