GEO quiz 3

Question 1

Paleozoic

Answer 1

the first era of the phanerozoic eon starting at 540 MA (old life)

Question 2

Paleo

Answer 2

means old

Question 3

h

Answer 3

h

Question 4

tracheophytes

Answer 4

Vascular plants

Question 5

Amniotes

Answer 5

protective water sack around the gestating fetus

Question 6

squamates

Answer 6

predominate reptile group that is living today is defined as lizards plus snakes

Question 7

Eons

Answer 7

Phanerozoic

Question 8

P-Tr

Answer 8

p stands for Permian Tr stands for Triassic

Question 9

Siberian traps

Answer 9

lava flow that is now over 7 million square kilos of basalt rock

Question 10

listrosourous

Answer 10

survived the P-Tr extinction, Therapsid, herbivores,

Question 11

life assemblage

Answer 11

collection of fossils that represent a community or ecosystem

Question 12

redox state

Answer 12

the addition or loss of electrons (losing an electron makes you more positive)

Question 13

Fe3+

Answer 13

oxygen (less positive)

Question 14

Fe2+

Answer 14

anoxic condition (more positive)

Question 15

death assemblage

Answer 15

a mixture of taxa from different ecosystems or communities

Question 16

Eras

Answer 16

Paleozoic, Mesozoic

Question 17

Periods

Answer 17

Carboniferous, Permian, Triassic

Question 18

Carboniferous

Answer 18

Mississippian, Pennsylvanian