Bio B: History of Life

Which of the following is thought to be the first organisms on Earth?

• Cyanobacteria
• Archaea
• Eukaryotic organisms
• Fish

What type of rock do fossils form in?

• Igneous
• Metamorphic
• Sedimentary
• Classic

How old do Paleontologists believe the Earth is?

• 2017 years old
• 4.6 billion years old
• 3.6 billion years old
• 4.6 million years old

Earth's first atmosphere contained little or no

• hydrogen cyanide
• nitrogen
• hydrogen sulfide
• oxygen

Theory that says eukaryotic cells formed from symbiosis among several different prokaryotes.

• Natural Selection
• Biogenesis Theory
• Evolutionary Theory
• Endosymbiotic Theory

Tags

NGSS.HS-LS4-1

The endosymbiotic theory states that

• the first organisms were microscopic algae and bacteria.
• viruses arose from fragments of prokaryotic cells.
• prokaryotic cells arose from organelles of eukaryotes.
• eukaryotic cells arose from communities of prokaryotes.

Tags

NGSS.MS-LS4-2

An important early effect of life on the environment was the

• cooling of the Earth.
• increase in atmospheric oxygen.
• fall in sea level.
• reduction of volcanic activity.

Miller and Urey's experiments showed how chemical reactions could have produced Earth's first

• DNA
• living cells.
• amino acids
• viruses

Who was the scientist who showed that microscopic life is not produced by spontaneous generation?

• Miller
• Ulrey
• Einstein
• Redi

Scientist theorize that oxygen buildup in the atmosphere resulted from _________________ .

• respiration
• photosynthesis
• chemosynthesis
• rock weathering

Tags

NGSS.MS-LS1-6