Cell Evolution

Idea that life arises from "non-life"

• Spontaneous Generation

• Biogenesis

• Primordial soup

• Endosymbiont Theory

Only living things can produce living things

• Spontaneous generation

• Biogenesis

• primordial soup

• endosymbiont theory

For a long time, it was believed that life came out of decaying and rotting matter like straw, mud, etc. This was the theory of

• catastrophism

• spontaneous generation

• panspermia

• chemogeny

Who discarded the theory of spontaneous generation once and for all?

• Louis Pasteur

• Francesco Redi

• Spallanzani

• Aristotle

Hypothesis that life came from inorganic gases in the atmosphere by adding energy

• Spontaneous Generation

• Biogenesis

• Primordial Soup

• Endosymbiont theory

Who simulated Earth's atmosphere? It showed that organic compounds can be produced from inorganic compounds via chemical reactions.

• Miller & Urey

• Oparin & Haldane

• Louis Pasteur

• Francesco Redi

First organisms

• anaerobic prokaryotes

• aerobic prokaryotes

• photosynthetic prokaryotes

• multicellular organisms

Endosymbiont theory

• Eukaryotes evolved from prokaryotes

• Prokaryotes evolved from eukaryotes

• Prokaryotes and Eukaryotes evolved together