3/28 Lecture - Primate Evolution

Question 1

The Year 220 - 66 MYA

Answer 1

“Dinosaurs Ruled the Earth”

Question 2

Marks the Boundary between Cretaceous - Paleogene (k-pg) Mass extinction

Answer 2

Chicxulub Asteroid/ Impact crater

Question 3

Closest relative to Humans AFTER Primates

Answer 3

Colugo -> Order Dermoptera -> Mirorder Primatomorpha

Question 4

Closest relative to Humans After Primatomorpha Dermoptera

Answer 4

Tree Shrews -> Order Scandentia -> Mirorder Euarchonta

Question 5

Oxygen Isotope Record:

Answer 5

Predictable relationship b/w water temp and amount of heavy oxygen O^18 incorporated into CaCO3 Shells

Question 6

CaCO3 Shells

Answer 6

Fossils Shells of tiny marine plankton - containing prehistoric oxygen - allowing scientist to reconstruct and predict what the temperature was like back then

Question 7

Eocene

Answer 7

The warmest epoch of the Cenozoic

Question 8

“PETM”

Answer 8

Paleocene * Eocene Thermal Maximum

         - Warmest interval in last 65 MY
         - marked by Carbon Isotopic Excursion
         - 100KY period of extreme greenhouse effect

Question 9

Carbon Isotopic Excursion

Answer 9

Indicates massive release of C^12 in the biosphere

Question 10

Holarctic Continents*

Answer 10

1) North America
2) Europe
3) Asia