14.2/ch 17
Terms
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- 1668, disproved spontaneous generation
- redi
- idea that nonliving thing can produce life
- spontaneous generation
- 1800, disproved vital forces/spontaneous generation and proved biogenesis
- pasteur
- living things come only from other living things
- biogenesis
- formation of simple organic molecules important to life
- step 1 to rise to primitive life
- the organization of these simple molecules into complex organic molecules
- step 2 ro rise of primitive life
- sugars and amino acids
- are primitive cell-like structures
- water vapor,hydrogen,methane and ammonia made up the atmosphere + energy(sun/lightening)
- oparin's theory
- primordial soup/life began in the
- ocean
- proved oparin's theory
- miller/urey
- heated amino acids that turned into protocell
- sidney fox
- explains how eukaryotes evolved from prokaryotes
- endosymbiant theory
- chloroplasts and mitochondria have their own ribosomes similar to ribosomes in prokaryotes
- new evidence 1
- they reproduce independently of the cells that contain them
- new evidence 2
- modern prokaryotes live in close association with eukaryotes
- new evidence 3
- grouping of objects and information based on similarities
- classification
- branch of biology that groups and names organisms based on the studies of their characteristics
- taxonomy
- 1st taxonimist
- aristotle
- first working classification system, binomial nomenclature
- linnaeus
- two word naming system
- binomial nomenclature
- consists of a group of similar species
- genus
- common names are misleading/different words in different languages, universal language is latin
- why scientific names are important
- taxon of similar phyla or division, 1st taxon
- kingdom
- phylogeny(evolutionary history)
- evolutionary relationships
- ex is caterpillar and butterfly
- development
- dna
- biochemistry
- how they act in their enviroment
- behavior
- eukaryote that lacks complex organ systems/lives in moist enviroments
- protist
- bacteria,eubacteria,protists,fungi,plants,animals
- 6 kingdoms
- o2 revolution goes to
- ozone(o3) blocks and then ultraviolet rays and multicellular organisms