Origin of Life Natural Selection Evidence of Life

In the endosymbiotic theory, endosymbiosis gave rise to which organelles?

• Golgi bodies and DNA

• Chloroplasts and Mitochondria
• Ribosomes and Nuclei
• The rough and smooth endoplasmic reticulum

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Miller/Urey and other scientists have shown that:

•  Life on early Earth required material from space
• Cells survived in the primitive atmosphere
• Amino acids could be produced from inorganic molecules 
• Simple cells can be produced in a laboratory

Which of the following was probably not present in the atmosphere of the primitive Earth? 

• Methane
• Oxygen
• Water
• Carbon dioxide

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NGSS.HS-ESS1-6

One of the accepted scientific theories describing the origin of life on Earth is known as chemical evolution in the Primordial Soup. According to this theory, which of the following events would need to occur first for life to evolve? 

• Beginnings of photosynthesis
• Beginnings of genetic material
• Synthesis (creation) of organic molecules

• Formation of the plasma membrane 

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According to the data, the unknown bacterial species is most closely related to...

• Species I
• Species II
• Species III
• Species IV

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Which type of cell came first?

• Eukaryotic
• Prokaryotic
• Plant
• Both Eukaryotic and Prokaryotic cells evolved around the same time

Based upon the conditions of the early Earth, which forms of live most likely appeared first?

• Prokaryotic and aerobic
• Prokaryotic and anaerobic 
• Eukaryotic and aerobic
• Eukaryotic and anaerobic

What process is shown within this diagram?

• Natural selection
• Endosymbiosis
• Chemical evolution
• Abiogenesis

Which species is most closely related to a Loris?

• Whale
• Bushbaby
• Human
• Cat

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The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today?

• Amino acids spontaneously form from molecules in the atmosphere today.

• Organic molecules are present today in extremely high concentrations.

• The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory.

• No other alternative hypotheses have been introduced.

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