IB Biology SL Options: Evolution + Neurobiology and Behaviour Cram Packet -2009- David Glover Paper 3 D.1 + Four processes were needed in order for life to be spontaneously…

1. • Darwin’s Idea of Common Descent • Darwin’s Idea of Gradualism • Darwin’s Idea of Multiplication of Species • Darwin’s Idea of Natural Selection 2. Darwin’s…

Slide 1D2: Species and Speciation 5 hours Slide 2 D.2.1Define allele frequency, gene pool. Allele frequencyAllele frequency –% of certain allele (variation of a gene) in…

Slide 1Chapter 24 Species & Speciation Slide 2 Slide 2 of 25 Chapter 24 in a nutshell Microevolution v. Macroevolution Speciation Prezygotic Postzygotic Gradualism v.…

Slide 1Figure 5.1 (a) Charles Darwin. (b) Branching diagram of phylogeny, the only illustration in On the Origin of Species (1859). It shows how two species, A and I, branch…

Slide 1200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Molecular Genetics Evolution Labs 6-8 Slide 2 List the pyrimidines…

Slide 115.3 NOTES Slide 2 Genetic Drift A random change in the frequency of an allele in a population NOT due to natural selection. More likely to occur in small populations.…

Slide 1SBI3U Ms. De Sousa Slide 2  Biological Species: population where individuals are able to interbreed to produce viable offspring.  Speciation occurs when there…

Slide 1Evolution 15 Slide 2 The Big Idea The theory of natural selection explains evolution and the diversity of life. Slide 3 Main Idea #1 Charles Darwin developed a theory…

1.Chapter 14 The Origin of Species 02. Mosquito Mystery Speciation is the emergence of new species In England and North America Two species of mosquitoes exist and spread…