Changing Planet Flashcards
What are Geologic Changes on Earth?
Land masses shifting
What are Biological Forces on Earth?
Photosynthetic
What evidence suggest that Earth was formed from pieces of Cosmic Debris coking with one another?
Geological and Astronomical
Earth’s early atmosphere had no?
Little to No oxygen
Earth was mainly composed of?
Carbon Dioxide,Water Vapor,Nitrogen
Stanly Miller and Harold Urey did what?
Performed an experiment to see how life could have started on Earth
They mixed chemicals
This idea was wrong
What is the RNA World Hypothesis?
RNA existed by itself before DNA
What are Physical forces that change Earth?
Global Warming
What is the Endosymbiotic Theory?
Ancient Prokaryotes began evolving internal cell membranes
Prokaryotic cells entered the Eukaryotes
The Endosymbiotic Theory Proposes that?
Symbiotic relationships evolved over time between Primitive Eukaryotic Cells and the Prokaryotic cells within them
How did Sexual Reproduction help Evolution?
Helped speed up the process because it increases genetic variation
