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Lecture 5

BIOL 1F90 Lecture 5: BIOL 1F90 lecture 5 winter 2016


Department
Biological Sciences
Course Code
BIOL 1F90
Professor
Fiona Hunter
Lecture
5

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Wednesday, January 13, 2016
BIOL 1F90
Lecture 5
Tertiary Period
-65- 1.8 mya
-mammals that survived expanded rapidly
-birds terrestrial insects diversified
-angiosperms become the dominant land plans
-fish diversified (sharks/whales)
-hominids
Quaternary
-1.8 mya
-periodic ice ages covered much of Europe and North America
-widespread extinction of many species
-certain hominids became more human like
-homosapien species only really present 130, 000 years
Recap.
-know geological time scale
-major environmental changes
-how fossils are formed, how old they are
-explain biases that aect interpretation of fossil record
-review basic dierences between prokaryotes and eukaryotes
-theories behind evolution of eukaryotes
-place appearance of prokaryotes and eukaryotes through four eons
-list typical environmental changes that influence emergence and/or disappearance of
species
1
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