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Science Notes

definitionterm
what r the 8 levels of classification 1 domain-broadest 2 kingdom 3 phylum 4 class 5 order 6 family 7 genus 8 species- most specific
what is the correct way to write scientific names? in italics or underlined; NEVER BOTH
what is the importance of using scientific names over common names? 1 scientist use them to communicate in the same language 2 made of 2 names: Genus + Species 3 genus- 1st and capitalized 4 species- 2nd and lowercase 5 ALL in latin
why do scientists need classification systems for living things? so scientists can speak the same languages and use the same name for organisms; helps determine how organisms r related
what r the six characteristics of all living things? 1 have a cell (multicellular or unicellular) 2 use energy- made of chemicals: water, carbohydrates, lipids (fats), nucleic acids, DNA 3 Have DNA 4 Reproduce 5 sense + respond to change 6 Grow & Develop- sexual and asexual
What r the basic needs of living things? 1 Food- energy 2 water- 70+% of body, chemical reactions 3 living space 4 gas exchange- oxygen or carbon dioxide
what is different between the 3 domains? 1 Archaea= extreme environments; all prokaryotes & unicellular 2 Bacteria= can live almost anywhere; all prokaryotes & unicellular 3 Eukarya= live in a variety of places; eukaryotes & most r multicellular
compare/contrast the 4 different kingdoms 1animals-multicellular;most complex;all heterotrophs 2plants-multicellular; can't move;all autotrophs 3 fungi-most multicellular;get nutrients from decaying organisms; heterotrophs 4protists-most r unicellular (some r multi);odds and ends kingdom;both
who made the classification system with 2 kingdoms- plants and animals, and what happened? Aristotle= didn't work well
who made the current system we use today and what is the 2-word name called? Carolus Linnaeus+ binomial nomenclature
Created by: 23felicity
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