Honors Bio Abiogenesis Lesson

Early gases in Earth's atmosphere came from:

Oxygen was not present at first in Earth's atmosphere. ______ are the reason oxygen levels began to rise.

Redi designed and experiment with the hypothesis: If raw meat is NOT exposed to air, then it will not spontaneously generate flies. He was attempting to prove flies did not originate from raw meat. If his experimental group was meat covered by glass, what was his dependent variable?

What general belief was Pasteur attempting to disprove?

Miller and Urey were the first to show that simple, inorganic compounds could produce _________, the building block for life.s

____ was the first coding system, a method for information and traits to be passed from one generation to the next.

Scientists hypothesize that these were the first cell types.

Endosymbiotic theory states that primitive eukaryotic cells arose from smaller prokaryotic cells that went inside larger prokaryotic cells and formed a symbiotic, or mutually beneficial relationship.