[Answered] What period of Earth's geologic history saw a dramatic increase in life? a. Cretaceous b. ...

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Author Question: What period of Earth's geologic history saw a dramatic increase in life? a. Cretaceous b. ... (Read 125 times)

crobinson2013

Hero Member
Posts: 535

on: Jul 27, 2018

What period of Earth's geologic history saw a dramatic increase in life?

a. Cretaceous
b. Devonian
c. Jurassic
d. Tertiary
e. Cambrian

Question 2

Which describes the direct change in genetic information of a cell?

a. chromosome
b. mutation
c. evolution
d. natural selection
e. heredity

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jaygar71

Sr. Member
Posts: 323

Reply #1 on: Jul 27, 2018

Answer to Question 1

e

Answer to Question 2

b

crobinson2013

Member
Posts: 535

Reply 2 on: Jul 27, 2018

Thanks for the timely response, appreciate it

daiying98

Member
Posts: 354

Reply 3 on: Yesterday

Great answer, keep it coming

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