General Biology BIOL 1130
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This 2 page Class Notes was uploaded by Colby Frami on Monday October 12, 2015. The Class Notes belongs to BIOL 1130 at Georgia Southern University taught by Lace Svec in Fall. Since its upload, it has received 7 views. For similar materials see /class/222022/biol-1130-georgia-southern-university in Biology at Georgia Southern University.
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Date Created: 10/12/15
Final Exam BIOL 1130 Lace Svec Spring 2011 Data what we know for a fact Inference what we deduce based on the data Experiment control group needed one variable must be changed Correlational examine data and compare the relationship between two groups Homeostasis constant internal environment in a changing external environment Stressor anything that disrupts homeostasis Nervous System detects stressor and sends rapid signal to body systems Central Nervous System Brain and Spinal Chord Peripheral Nervous System extended nerves from vertebrae Neurons specialized cells that perform nervous system functions Sensory Neurons detect sensation Interneurons communication between sensory and motor Motor come out of the central nervous system and sent to muscles Endocrine System receives neural signal and sends slower hormonal signal through blood stream Digestive System gathers fuel for energy and body processes 1 Mouth and Teeth 2 Stomach storage and continued breakdown of food using acid and digestive enzymes 3 Small Intestine continued breakdown of carbs and protein fats begin to break down with the assistance of bile that is produced by the liver 4 Large Intestine more breakdown of food removes water and compacts the waste Carbs Best source of energy Simple sugars easy to breakdown Complex carbs harder to breakdown Fiber cannot be broken down Fat used to store energy Proteins used to conduct chemical reactions in the body DNA genetic material double helix Chromosomes spools ofDNA 23 pairs per cell Genes Section ofDNA in chromosome Alleles version of geneorder of nucleotides Mendelian Traits One gene determines inheritance easy to study easy to predict how the phenotype will turn out Quantitative Traits continuous variation with a large range ofphenotypes Mitosis Meiosis Somatic Name of cells Gametic Diploid Type of cells Haploid Errors in DNA replication Mutations occur thorugh crossing over random alignment errors in DNA replication Species group of organisms with similar characteristics Common descent all species derived from a common ancestor Microevolution changes within a species Macroevolution changed over a long period of time resulting in new species Natural Selection changes in the traits ofa population due to differences in surviving individuals Adaptations traits that increase the fitness of an individual in a population Genetic Drift change in allele frequency due to chance
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