G11 Ch 14 History Of Life Question Preview (ID: 46852)


Brief History Of The Early Earth And Origin Of Life. TEACHERS: click here for quick copy question ID numbers.

the theory of simple organic molecules formation explains:
a) how eukaryotic cells appeared
b) how cyanobacteria invented photosynthesis
c) how archaea can survive extreme environments
d) how the basic molecules of life appeared from simple chemicals

the theory of spontaneous generation
a) has been disproved
b) is considered valid
c) explains the origin of life
d) has been proven correct by Louis Pasteur

''only living organisms can produce other living organisms''
a) is the theory of evolution
b) is the theory of biogenesis
c) is the theory of spontaneous generation
d) is the theory of simple organic molecules formation

select the right order of events
a) bacteria, cyanobacteria, eukariote, multicellular life
b) eukaryote, prokaryote, cyanobacteria, multicellular life
c) multicellular life, prokaryote, eukaryote, fungus
d) cyanobacteria, eukaryote, prokaryote, multicellular life

why are fossils important
a) they are a source of minerals
b) they give information on the history of life and evolution
c) they help in dating rocks
d) they give information of the formation of the planet

what is the Cambrian Explosion?
a) a giant volcanic eruption
b) a meteorite impact
c) the fast appearance of many different body types
d) a mass extinction

what is the first life according to the fossil record?
a) dinosaur
b) an eukaryote cell
c) Ediacaran biota
d) bacteria

what is the reason for the appearance of oxygen in the atmosphere?
a) cyanobacteria
b) plants
c) fungi
d) volcanoes

what was like the atmosphere more than 3 billion years ago?
a) much more humid than now
b) mostly methane and CO2
c) mostly nitrogen and CO2
d) mostly nitrogen and oxygen

according to the endosymbiont theory
a) cyanobacteria evolved from archaea
b) prokaryotes and eukaryotes can only live in symbiosis
c) early prokaryotes became organelles of the eukaryotes
d) different eukaryotic cells joined in a single cell

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