Author Question: What do the Ediacaran fauna represent, and why are they important?[br][br][b][color=#FA1639]Question ... (Read 76 times)

jasdeep_brar · **on:** Jul 13, 2018

What do the Ediacaran fauna represent, and why are they important?

Question 2

Groundwater in an aquifer is sometimes called fossil water because ____.
A)the water has been in the aquifer for thousands of years
B)the water is not being replenished at anywhere near the same rate as when it formed
C)tiny microorganisms living in the aquifer are living fossils
D)the water has been in the aquifer for a long time and is not being rapidly replenished
E)it contains the bones of fossilized animals

peilian · **Reply #1 on:** Jul 13, 2018

Answer to Question 1

The Ediacaran fauna represent the first multi-celled organisms found in the fossil record. They are important because they represent a transition faunal assemblage between generally life-poor Proterozoic and the Paleozoic with its sudden appearance of many life forms.

Answer to Question 2

D