Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/7

Click to flip

7 Cards in this Set

  • Front
  • Back
wat % of time is the pre cambrian
88%
wat was needed in beginning of life
Energy - UV rays and lighting
and the coming together of elements
wat was needed definantly in early life
amino acids
wat are monomers
simple organic molecules
wen did rodina break up
750 mya
what was eidacaran fossils and wen were they live
invertibrates 670 -570 mya
wat are a few hard parts on invertibrates found in the eidacaran fossils
chitinous carapace
calcium carbonate