BIO SCI 1A Study Guide - Final Guide: Archaea, Population Bottleneck, Plant

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Document Summary

Science is self-correcting-errors and ideas can change as new data comes about. Everyone is always skeptical of a scientists results. Peppered-moth-moths changed color due to environmental changes in industrialization. Theory-a bunch of hypotheses that are grouped together and support each other on the same idea. Common decent- organisms that share a common ancestor. One of major pieces how we know all organisms are related to one another, because they share some dna. Biogeography-organisms and life are related somehow through geography. If organisms are closer in space, they are more related than organisms far away from them, closer evolutionarily. Fossil record-not one of the main four: most organisms don"t leave a fossil they just decompose. Bias toward marine organisms because there has been more life in the ocean and the ocean is a better environment to forming fossils. Hierarchy of life: domain-eukarya(eukaryotic-have a nucleus), bacteria,