Bio Flashcards
Natural Selection/Survival of the Fittest
Organisms best suited to a particular environment survive
Fossil Record
Most direct evidence of evolution
Parade of successive changes in fossils.
5 Agents of Evolution
1) Mutation
2) Migration
3) Genetic Drift
4) Nonrandom Mating
5) Selection
2 Types of Selection
Artificial
Natural
Species
Groups of interbreeding populations which are reproductively isolated from other groups
Speciation
Successive change in natural selection
Carlolus Linnaeus
18th century Swedish professor, physician, and naturalist
Linnaean System
Binomial system for naming species of organisms
Binomial Nomenclature
First name Genus
Second name Species
Taxonomy
Branch of Biology that names taxon groups
9 levels of organization of life on earth
Domain Kingdom Phylum Subphylum Class Order Family Genus Species
“Dat King Phillip Came Over For Green Spaghetti “
Six Kingdoms of life on earth
Bacteria Archaea Protista Fungi Plantae Animalia
Charles Darwin
British Naturalist
Proposed natural selection as the process of evolution.
What types of cells first lived on earth and how long have they been here?
Prokaryotes who have been on earth for 2.5 billion years
Endospore
Thick wall which is highly resistant to environmental stress