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…

1 231/2 BIOLOGY PAPER22010 Pyramid Projections 001 Kenya Certificate of Secondary Education MARKING SCHEME 1. (a) X - Vacuole / Sap vacuole; Y – Tonoplast; Z – Chloroplast;…

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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 1Patterns of Evolution Objectives: 1.Compare and contrast different patterns of evolution 2.Describe how adaptive radiation occurs 3.Explain the difference between…

Slide 1Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Chapter 24 The Origin of Species TOP 5 Slide 2 Copyright © 2005 Pearson Education, Inc.…

Slide 1 Slide 2 What are Darwin's finches? Slide 3 When Darwin fist came to the Galapagos islands back in the 1800s he noted that there existed a variety of finches…

Slide 1Evolution Genetic change in a population over time What are the 3 necessary ingredients for evolution? Slide 2 Evolution is a natural phenomenon that will occur wherever…

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 1EraPeriodTime Permian Carboniferous Devonian Silurian Ordovician Cambrian (millions of years ago) EraPeriodTime (millions of years ago) EraPeriodTime (millions of…