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39 Cards in this Set
- Front
- Back
Family = ______
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Hominidae
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Species= ____
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Sapien
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define= fossil evidence
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traces of once living organisms perserved in rock layers usually sedimentary rock.
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What is evidence of common ancestry?
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that several organisms can be traced to a common ancestor
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What kept Charles Darwin off the boat during most of the trip?
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seasickness
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Class= ______
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mammalia
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The formation of Earth was about how many years ago?
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4.6 billion yrs. ago
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Order= _____
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primates
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Genus=____
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Homo
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Charles Darwin was known for publishing what book?
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Origin of species
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How long was Charles Darwin's exploration?
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5 years
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When was his book published?
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1859
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What was the name of the boat on which Charles Darwin went on exploration?
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beagle
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Scientist beleive life on Earth to be a ___ step process.
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4
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What did Darwin initially go to college to become?
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doctor
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Before Darwin, who proposed that environmentally aquired traits were passed along to offspring?
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Lamarck
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The oldest Hominid fossil is how old?
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4 million yrs.
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Define- evolution
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theory that species changed over time
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Charles darwin enrolled in Cambridge to become a ____.
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preacher
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vestigal organs
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organs that serve no useful functions today but may offer prrof that an ancestor had and used those organs differently
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Fossils have been used to construct a _____.
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geological time scale
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what are some of the most common found fossils?
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shells, teeth, bones, and woody stems
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Who disproved spontaneous generation through several experiments?
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Redi, Spallanzani, and Pasteur
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The earlist cro- magnon is how old?
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35,000 yrs. old
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What is spontaneous generation?
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The belief that live organisms could arise from non-living material
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It is believed that the early atmosphere was composed of what?
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Ammonia
Hydrogen gas water vapor Methane gas |
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How many yrs. ago did the first prokaryotes existed?
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3.5 billion
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define structures
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organisms often have similar structures that are used for different functions but could offer proof of common ancestry
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Phylum= _____
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Chordate
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How many years ago did the first photosynthesizers formed?
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2.8 billion yrs.
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What gases made up the early atmosphere?
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volcanic
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The oceans formed about how many yrs. ago?
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3.8 billion
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The first primates existed how many years ago?
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65 million
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How many years ago did the first eukarotes existed?
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1 billion
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What is an example of common ancestry?
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Hawaiian Honeycreeper
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What island did Charles darwin do a good portion of his findings?
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Gallapoges
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Kingdon=______
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animal
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As temperatures cooled on earth, water condensed and fell in pools of water. Who did experiments on this theory?
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Miller and Urey
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Early earth lacked what key gas that is present today?
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oxygen
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