8.- Beginnings of life

Description

https://www.khanacademy.org/science/cosmology-and-astronomy/life-earth-universe/history-life-earth-tutorial/v/beginnings-of-life
PEDRO ALVAREZ JIMENEZ
Quiz by PEDRO ALVAREZ JIMENEZ, updated more than 1 year ago
PEDRO ALVAREZ JIMENEZ
Created by PEDRO ALVAREZ JIMENEZ over 9 years ago
101
2

Resource summary

Question 1

Question
What is the name of the first Eon?
Answer
  • Hades
  • Hadean
  • Proterozoic

Question 2

Question
Why was this eon inhospitable?
Answer
  • There were lava flowing all around
  • There was not oxygen
  • There were bodies impacting the Earth from the space

Question 3

Question
What was the name of the protoplanet that rammed into the Earth to form the Moon?
Answer
  • Thera
  • Theia
  • Gea

Question 4

Question
Why Late Heavy Bombardment is so important for the beginning of life?
Answer
  • Because it brought microscopic living things to our planet
  • Because it permitted life to develop more quickly
  • Because it was the start up of life on earth

Question 5

Question
What caused the Late Heavy Bombardment?
Answer
  • Nobody knows it
  • A change in the orbits of Uranus and Neptune
  • The explosion of a protoplanet

Question 6

Question
When scientists estimate life first appeared?
Answer
  • 3.824 billion years ago
  • 8.324 billion years ago
  • 3.428 billion years ago
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