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IB Biology/Option D - Evolution

The half life of a radioisotope is a measure of the time taken for the radioactivity to fall to half its original level. Primates are adapted for an arboreal tree-dwelling life in a forest environment and possess the following features: By comparing the different types of hominin fossils, we can identify key evolutionary trends: Comparison of Early and Recent Hominin Skeletons.

Several species of hominid may have co-existed at the same time: Incompleteness of the Fossil Record. Significance of Incompleteness of the Fossil Record. Genetic evolution involves physical changes in the human genome which become inherited passed on through reproduction. Site Navigation [Skip] IB Home Course Outline Assessment Command Terms PSOW Standard Level Outline the method for dating rocks and fossils using radioisotopes 1: Chemicals of Life 3.

Ecology and Evolution 5. Energy radioiaotopes Cells C1 Proteins C2 Enzymes C3 Cell Respiration C4 Photosynthesis Option D: Evolution D1 Origins of Life on Earth D2 Species and Speciation D3 Human Evolution D4 Hardy-Weinberg Principle D5 Phylogeny and Systematics Option E: G1 Community Ecology G2 Ecosystems and Biomes G3 Human Impact on Ecosystem G4 Conservation of Rdaioisotopes G5 Population Ecology Option H: Further Physiology H1 Hormonal Control H2 Digestion H3 Absorption of Digested Foods H4 Functions of the Liver H5 The Transport System H6 Gas Exchange Additional Resources Biology Quick Reference Guides Biology Songs Biology Tutorials Biology Powerpoints BioNinja App beta testing.

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