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Match Each Phrase Below with One of the Following Terms

Question 62

Matching

Match each phrase below with one of the following terms:

Premises:
inevitable outcome of physical and chemical conditions of Earth's origins
required process that must have occurred before the first cells existed
source of free energy at alkaline ocean vents
possible origin site for life on Earth; abundance of chemicals essential for life and a reducing environment
theory about possible origins of life that cannot be tested
the precursors of mitochondria and chloroplasts
the basic chemical structure that serves as the containment of cells and cell-like objects
the first water-splitting photosynthesizers
rock structures where the earliest evidence of life is found
remains of a cell that has decayed and been filled in by silica or calcium carbonate
enable cells to control ionic gradients
molecules capable of storing and copying genetic material
replication process shared by plastids and bacteria
the likely first information molecules
these share a common ancestor with the first eukaryotic cells
Responses:
natural selection
evolution of life
lipid bilayer
stromatolite
binary fission
cyanobacteria
archaeans
ribozymes
endosymbionts
hydrothermal vent
cell membranes
molecular replicator
microfossil
protocells
extraterrestrial theory
chemical gradients
prebiotic soup

Correct Answer:

natural selection
evolution of life
lipid bilayer
stromatolite
binary fission
cyanobacteria
archaeans
ribozymes
endosymbionts
hydrothermal vent
cell membranes
molecular replicator
microfossil
protocells
extraterrestrial theory
chemical gradients
prebiotic soup
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