The History of Life Practice Assignment

What caused the solar system to start as a rotating cloud of stardust?

• A comet impact

• A protostar

• A black hole

• A nearby star explosion

Who first challenged the idea of Spontaneous Generation?

• Lazzaro Spallanzani

• Alexander Oparin

• Frances Redi

• Louis Pasteur

What did the Miller and Urey experiment demonstrate?

• Formation of eukaryotic cells

• Formation of prokaryotic cells

• Formation of organic compounds, the building blocks of life

• Formation of the first signs of life

What is evidence for the Endosymbiont Theory?

• Presence of mitochondria and chloroplasts with their own DNA

• Presence of ribosomes in prokaryotes

• Presence of eukaryotic cells

• Mitochondria and Chloroplasts Reproduce independent of the rest of the cell

• Mitochondria and Chloroplasts are the size of bacteria

How did prokaryotes evolved into eukaryotes?

• Mutation
• Endosymbiosis
• Intelligent design
• Spontaneous generation

Match the following

• Boiled broth does not produce microorganisms

• Lazzaro Spallanzani

• Test primordial soup-formed organic comp

• Miller &Urey

• Swan neck - boiled broth

• Louis Pasteur

• Primordial Soup- life starts in ocean

• Alexander Oparin

• Meat attracts flies, does not create

• Francis Redi

When did evidence of microscopic prokaryotic life first appear?

• 2.1 billion years ago

• 1.8 billion years ago

• 3.7 billion years ago

• 4.5 billion years ago

Tags

NGSS.HS-LS4-1

What did cyanobacteria contribute to the Earth's atmosphere?

• Increased methane levels

• Increased ammonia levels

• Increased oxygen levels

• Increased carbon dioxide levels

When did evidence of eukaryotic cells first appear in the fossil record?

• 2.1 billion years ago

• 3.7 billion years ago

• 1.8 billion years ago

• 4.5 billion years ago

Which of the following were NOT characteristics of early Earth?

• No atmosphere

• Many volcanoes

• No ocean

• Oxygen rich

Tags

NGSS.HS-ESS1-6