Evolution Flashcards
Evolution
Generic changing of one species into another
Takes place through natural selection over a long period of time
Theory of evolution by
Darwin and Wallace was
Darwin’s observations
Overbreeding
Population numbers remain constant
Inherited varies occur in populations - not all populations are genetically identical
Conclusion of Darwin
Struggle for existence - competition
Natural selection
Natural selection
So organism with beneficial variations adapted will survive and reproduce. Passées though generation until it is the new norm - more likely to survive and reproduce
How do we know evolution happens
Fossils
Study of fossils
Palaetology
Fossils fayes using
Radioactive carbon
Fossils show
Changes compared to modern organisms
Fossils can be linked to
Environmental change