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39 Cards in this Set

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