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Possible Origins of Life Test Flashcards | StudBud
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Possible Origins of Life Test
Possible Origins of Life Test
30 terms
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Where? Who? What? When? Why?
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
How do scientists analyze sediments billions of years old?
Microscopy
Radioactive Dating
Spectroscopy
Parallax
2
Which does not accurately describe Earth's early atmosphere?
Primarily hydrogen, methane, ammonia, and water vapor.
Water vapor cooled and condensed later on, forming the ocean.
Filled with Oxygen
Very hot
3
Unstable isotopes release particles and/or energy. This is called:
Nuclear Fusion
Radioactive Decay
Ionization
Nuclear Fission
4
Which is NOT a complex organic compound essential to life?
Proteins
Synthetic Oil
Amino Acids
Carbohydrates
5
The half life of Carbon-14 is 5700 Years. A bone is found with 12.5% of it's Carbon-14 left over. How old is it?
11,400 Years
17,100 Years
5700 Years
712.5 Years
6
What is the most stable form of Carbon?
Carbon-14
Carbon-16
Carbon-10
Carbon-12
7
All living things are __________--based.
Water
Uranium
Carbon
Methane
8
Which is NOT evidence that supports mitochondria and chloroplasts descending from bacteria.
They have their own membranes separate from the cell.
They have their own DNA separate from the cell.
They do not have any ribosomes.
They divide by binary fission as prokaryotes do, not eukaryotes.
9
Simple organic molecules vents reacted with ______________________ which then create complex organic compounds.
Ultraviolet Radiation
Magma
Oceanic Ionic Currents
Lightning
10
What is spontaneous generation?
Another name for evolutionary theory.
The idea that life simply appeared into existence from non-living material.
The idea that life can only come from life.
The idea that new generations of species appear randomly throughout time.
11
The amount of time it takes for a half of a radioactive sample to decay:
quarter-life
Entropic Rate
half-life
Hydrothermic Rate
12
Who's famous experiment showed that meat does not create flies, but just attracts them?
Alexander Oparin
Albert Einstein
Frances Redi
Miller and Urey
13
In Fox's Thermal Model, Fox heated amino acids into protein-like substances called:
Protocells
Protenoids
Microspheres
Sugars
14
When dating living things, we use the half life of ___________ to determine age.
Uranium-237
Carbon-14
Carbon-12
Oxygen-9
15
The idea that living organisms only arise from other living organisms:
Dianetics
Exogenesis
Evolution
Biogenesis
16
Despite the many examples for spontaneous generation given, like flies appearing from meat, why was it later rejected?
The politics changed at the time.
People didn't like the name it was given, and demanded a change.
It was never rejected.
The idea was based solely on observation and was never tested.
17
_____ of the current atmosphere is oxygen.
1%
21%
50%
78%
18
The half-life of Fermium-257 is 100 days. In a rock sample, 25% of the Fermium is left over. How old is that rock?
25 Years
200 Years
100 Years
50 years
19
Do unstable isotopes release particles or energy?
Either/Or
Energy
Particles
20
Who tested Oparin's hypothesis to make organic compounds based on what Earth's primitive conditions were like:
Alexander Oparin
Aristotle
Frances Redi
Miller and Urey
21
What is the simplest form of life that exists now?
Bugs
Amoeba
Prokaryotes
Eukaryotes
22
Alexander Oparin hypothesized that living things started with the formation of:
Organic compounds found in forests.
Organic compounds in the ocean.
Inorganic compounds in the ocean
Organic compounds found in cave systems.
23
Before cyanobacteria appeared, __________ was scarce. As time passed, and more cyanobacteria appeared, this increased.
Water
Carbon
Solar Radiation
Oxygen
24
In Fox's thermal model, when boiling salt water was added to a vat containing protenoids, ___________ formed.
Inorganic Compounds
Lipids
Amino Acids
Protocells
25
_____________ are structures formed by huge colonies of cyanobacteria, which contributed to formation of the atmosphere.
Pterocon
Stromatolites
Dinosaurs
Protocells
26
The theory that small bacteria entered larger prokaryotes and, living in this host, functioned like organelles.
Natural Selection
Evolutionary Theory
Spontaneous Generation
Endosymbiotic Theory
27
Lerman's Bubble Model suggested that ___________________ were releasing gasses that aided in originating life.
Hydrothermal Vents
Mountainous Volcanoes
Bacteria
Earthquakes
28
How does an isotope differ from its original form?
Different rotational rate.
Different number of electrons.
Different number of neutrons
Different number of protons
29
What is the unstable form of Carbon used in Radioactive Dating?
Carbon-10
Carbon-12
Carbon-14
Carbon-16
30
Which of the following does NOT describe cyanobacteria.
Photosynthetic
Found in H2O
Prokaryotic
Eukaryotic
