Science Test #3, Set 2 (Early Earth)

Question 1

What is the significance of the Murchison Meteorite

Answer 1

The Murchison Meteorite contains amino acids and sugars, which are necessary for the formation of DNA and RNA, which help make up living organisms. This implies that there could be other living organisms outside of our planet

Question 2

What did Miller and Urey hypothesize about early forms of life on Earth?

Answer 2

Miller and Urey hypothesized that early forms of life were actually made of non living things. They think that all the chemicals of life were floating around the the ocean and after millions or even billions of years, they collided to become single cellular organisms which slowly evolved to be more advanced creatures like humans!

Question 3

What’s the difference between a prokaryote and a eukaryote?

Answer 3

Eukaryotic organisms are usually multicellular, and have a membrane bound nucleus, while prokaryotes are singular cellular and don’t have a nucleus.

Question 4

Ex of prokaryote and eukaryote

Answer 4

An example of a prokaryote is a human and a eukaryote is archaebacteria