LD BIO CHAPTER 28 EVOLUTION
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| show | The gradual change of allele frequencies found in a population
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| ORGANIC EVOLUTION | show 🗑
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| show | Is the slow change of Earth over time
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| HOMOLOGOUS STRUCTURES | show 🗑
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| show | In different organisms, have similar function, but different internal structures or embryonic development
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| show | Fossils, Bones that show how organisms are similar, and Continents fit together like pieces of a puzzle & share the same rock formations with the same fossils and organisms
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| show | Nonfunctional structures that are rem ants of structures that were functional in ancestral form of organs. (Ex: wisdom teeth, muscles that move ears)
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| show | Any trace or remains of an organism that has been preserved by natural processes. (Ex: soft tissue of animals usually decays, but in amber & ice they do not).
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| AMBER | show 🗑
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| ICE | show 🗑
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| PETRIFICATION | show 🗑
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| show | Shells, teeth, and dinosaur bones. (Ex: Saber-toothed tiger & wooly mammoth).
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| show | An organism dies at the bottom of lakes or seas and sinks into the mud or sand which later turns to rock. The organism decays leaving a hollow form of its shape.
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| show | Form when the molds fill with minerals and harden to form rock; a copy of the organism forms.
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| show | The impressions made in mud and then hardens into rock (Ex: animal footprints & leaves)
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| WAYS TO CALCULATE AGE OF FOSSILS | show 🗑
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| show | Any method of determining the order in which events occurred. (Ex: determine age in relation to other rocks by using index fossils or correlation)
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| show | Top layer of sedimentary rock
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| show | Bottom layer of sedimentary rock
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| ABSOLUTE DATING | show 🗑
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| RADIOACTIVE DATING | show 🗑
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| show | A type of rock formed from layers of particles that settled to the bottom of a body of water, often containing fossils
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| show | The history of life as determined by the relative age of fossils
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| show | Formed when molten material in the crust cooled and hardened. Can be dated using radioactive dating methods.
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| CORRELATION | show 🗑
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| INDEX FOSSILS | show 🗑
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| show | A timetable of the earth's history constructed by geologists
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| EXTINCT | show 🗑
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| FROM ROCKS AND FOSSILS | show 🗑
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| EVIDENCE FROM COMPARATIVE CYTOLOGY | show 🗑
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| show | Physiology, biochemistry, cytochrome c in humans & chimpanzees is same, but differs in bread mold, & insulin from sheep & pigs is same for humans.
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| PHYSIOLOGY | show 🗑
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| show | How chemical reactions take place (ex: enzyme test)
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| COMPARATIVE ANATOMY OR HOMOLOGOUS STRUCTURE | show 🗑
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| show | Same function but different origin and structure (ex: wings of fly (has membranes) vs. bird (has bones)...Both used to fly.
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| show | Antibody reactions to protein or viruses may act the same.
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| show | All embryos look similar at first and then differentiate and evolve.
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| show | Structures that remain but have no function (ex: Coccyx - fused bone (tail))
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| SPONTANEOUS GENERATION | show 🗑
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| BIOGENESIS | show 🗑
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| show | The hypothesis that the first organic compounds were formed by natural chemical processes on the primitive earth and that the first lifelike structures developed from coacervates and were heterotrophs.
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| COACERVATES | show 🗑
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