Biology Study Guide - Biology Study Guide Molecular clock...

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Biology Study Guide: Molecular clock: a technique to find the rate of change in specific genes and proteins in an existing organism Evolutionary Theory: the slow gradual change in organisms from one kind to another Reproductive Barrier: anything that prevents two species from reproducing with each other Creation Theory/Flood: Creation→ Fall→ Redemption the flood resulted in an ice age which lowered the sea level, allowing for more population Homologous Structures: organs that are similar in different species and are thought to slow evolutionary relationships Analogous Structures: similar structures in organisms, but is not related by a common ancestor Examples: Wings on insects, birds, or bats Vestigial Structures: structures that seem to have no function in an organism Comparative Anatomy: used to determine which organisms come from a common evolutionary ancestor embryology and homology use this science Baraminology: classification of organisms by kinds species and kinds are different: species: a human classification system kinds: a category of organisms Geological columns: The classification system for the layers of rocks and fossils that make up the earth
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