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EVOLUTION ASSESSMENT TASK (SPECIATION (A new species is formed (Species -…
EVOLUTION ASSESSMENT TASK
Classification
8 levels:
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
Writing Species Names
Genus (capital)
Species (small)
Itacilised or underlined
THEORIES OF EVOLUTON
Darwin
Natural Selection
Survival of the Fittest
Those which happened to be better suited will survive and reproduce
Its just time and chance
Occurs on the population level
Lamarck
Use it or lose it
Driven by inner need
Change occurs in a lifetime
Theory of Acquired Characteristics
Changes in a lifetime get passed onto kids
NATURAL SELECTION
Variation in the population (e.g. red and green)
What is killing them, and who is survive?
Those which survive will reproduce and pass on their genes
Over time, population changes. Some increase in proportion, some decrease.
SPECIATION
Variation in population
Population becomes isolated
Selection Pressures cause natural selection to happen to each of the 2 groups
Over time, the 2 groups end up looking quite different
When 2 populations come back together, they can no longer interbreed
A new species is formed
Species - "Organisms which can reproduce to make fertile offspring."