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Chapter 1 notes

by: Tabitha Restauri

Chapter 1 notes BISC 1-002

Tabitha Restauri
Penn State
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About this Document

Notes taken on first day of class.
Biological Science
Professor Rhodes
Class Notes
Life Science




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This 3 page Class Notes was uploaded by Tabitha Restauri on Thursday September 1, 2016. The Class Notes belongs to BISC 1-002 at Pennsylvania State University taught by Professor Rhodes in Fall 2016. Since its upload, it has received 5 views. For similar materials see Biological Science in Biological Sciences at Pennsylvania State University.

Similar to BISC 1-002 at Penn State

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Date Created: 09/01/16
Chapter 1:  The Study of Life What is Life? Characteristics 1. Nutrients a. Autotrophic­ producer i. photosynthesis (carbon dioxide)  ii. chemosynthesis (hydrogen sulfide) b. heterotrophic­consumers  i. herbivores ii. carnivores iii. omnivores iv. decomposers (saprophytes) v. parasite 2. composed of cells a. prokaryotic (no nucleus) b. eukaryotic (organelles/nucleus) 3. respiration­ the breakdown of energy rich molecules a. anaerobic b. aerobic­ requires free O2 4. reproduce­ passing on of the DNA a. asexual­ one parent b. sexual­ two parents 5. homeostasis­ state of constant being a. pulse b. blood pressure c. blood glucose d. temperature 6. irritability­response to a stimulant 7. movement a. plant movement (tropism) b. phototropism (light) c. geotropism­ gravity (roots) d. hydrotropism (water) e. chemotropism (nutrients) f. thigmotropism (touch) 8. growth­ increase in number of cells 9. development­ differentiation of cells 10.metabolism­ sum total of all chemical events in the body a. anabolism­ building b. catabolism­ destroying 11.adapt (evolve) 12.organized a. atoms b. molecules c. cells (basic unit of life) d. tissue (group of cells performing a function) e. organ (group of tissues) f. organ system (group of organs that perform a function) g. organism (individual) Scientific Process 1. problem 2. gather all information 3. formed a hypothesis 4. experiment­  i. control group ii. experimental 1 variable difference 5. conclusion fact­ proven true statement theory cell theory­ all life composed of cells gene theory­ your characteristics in genes (DNA) evolutionary theory­ change in genepool biogenesis theory­ like produces like taxomony­grouping of organisms Domain (Archaea {most primitive}) (Bacteria {prokaryotic})(Eukarya) Kingdom (plants)(animals)(Protista {mainly single cell})(fungi {saprophyte}) Phylum Class Order Family Genus Homo (uppercase) Species sapien (lowercase) Scientific name


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