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Origin of Life theory- Deep Sea Vents

Strengths vs weaknesses

Strengths

-Life can begin from chemicals

-It can be used to search for life on other planets.

Weaknesses

Future directions

- No data can be further collected.

-To be able to get clausible data it would be costly.

-there are a little bit of statistical and factual evidence

-methanethiol

-NASA can use the theory to locate water on other planets.

-discovery of proof- does this mean life on another planet?

-Conduct more experiments to further explain and prove the theory

When was the theory first proposed

A description of the Theory

- In 1977

- It started 3.7 billion years ago through hydrothermal vents.

-unicellular organisms- first organisms

A video describing the theory

www.pbslearningmedia.org/resource/tdc02.sci.ess.earthsys.deep-sea-vents-and-life-origins/

What evidence is there to support the theory

-Chemosynthesis.

-Can life exist without sunlight?

-High source of simple sugars

-Make up amino acids and nucleotides

-DNA can be compressed 1000x at increasing pressure amounts

-chemical abundance- more organisms

Group activity

-In groups label the picture of a deep sea vent.

-You will be timed so be quick.

-There may be a tasty treat for the winning group.

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