Origin of Life 1st part

According to Alexander Oparin, where did he believe life began?

• Oceans

• Forests

• Mountains

• Deserts

What did Oparin believe made organic molecules form?

• Wind

• Sun and lightning

• Snow

• Earthquakes

What did rain do to the organic molecules according to Oparin's hypothesis?

• Froze them

• Destroyed them

• Washed them into the oceans

• Evaporated them

What did the Miller-Urey Experiment involve adding to the mixture?

• Salt

• Sugar

• Electricity

• Oil

What did the Miller-Urey Experiment produce after one week?

• Rocks

• Organic molecules

• Plastic

• Metals

How did prokaryotes evolve to become eukaryotes?

• By fission

• By mitosis

• By fusion

• By endosymbiosis

What did the very first cells use to produce their own food?

• Fire

• Wind

• Light

• Sound

What did autotrophs release into the atmosphere?

• Nitrogen

• Carbon dioxide

• Hydrogen

• Oxygen

What did the release of oxygen by autotrophs allow to evolve?

• Complex life forms

• Simple life forms

• Animals

• Plants

What did the first cells that were autotrophs make their energy from?

• Fire

• Sun

• Water

• Wind