natural selection

Question 1

age of tools

Answer 1

youngest towards top ( like fossils)
radiometric dating is used for rocks

Question 2

evidence that suggests (example A) inhabited the earth earlier than (example B)

Answer 2

-difference in structural features of fossils
-… would e deeper in the rock layer than….

Question 3

suggest an explanation for the extinction of ( example A )

Answer 3

• likely to be out-competed by (example B)
  -survival of the fittest

Question 4

how to explain which tool is most recent

Answer 4

-the sophistication (sharper etc)
-the species lived more recently

Question 5

identifying skills and inteligence

Answer 5

-tool progression shows greater manipulation
-higher intelligence in most recent human species.

Question 6

how to date tools

Answer 6

-compare to others
-from the rock in which they were found
-radiometric dating

Question 7

how to make stone tools

Answer 7

-by hitting it with another rock
-knocking flakes/chips off

Question 8

what is an archaea

Answer 8

cells with no nucleus

Question 9

the order of the “humans”

Answer 9

1) ardipithecus (ardi)
2) australopithecus (lucy)
3)homo habilis
4) homo erectus
5) homo sapiens

Question 10

difference bewteen ardi and lucy

Answer 10

Ardi had curled dup toes so walked on all fours were as lucy could walk up right

Question 11

why was the discovery of lucy so important

Answer 11

provided the evidence that humans evolvedf orm apes