Geo Quiz 5

Question 1

K-PG mass extinction/ end cretaceous mass extinction

Answer 1

K- cretaceous
Pg- Paleogene (first period of the Cenozoic)

Question 2

adaptive radiation

Answer 2

the evolution of many new species across large areas of the earth

Question 3

Chicxlub

Answer 3

depression in the earth’s crust off the coast of Mexico dated to 66 Ma

Question 4

Spherical glass ejecta

Answer 4

superheated quarts

Question 5

Iridium

Answer 5

platinum group metal that is scarce on Earth (very low quantities on Earth’s crust)

Question 6

Decan Traps

Answer 6

large igneous province that erupted at 66 Ma

Question 7

first human trait

Answer 7

walking on two legs

Question 8

australopithecines

Answer 8

human ancestors who are more ape-like than human life, primitive human ancestors that walked on 2 legs

Question 9

Lucy

Answer 9

is an australopithecines afarenis fossil that dates to 3-4 Ma