Photosynthetic eukaryotes contain both mitochondria and chloroplasts. Which sequence of events most likely describes the evolution of this group?
Ch.3.1 Early Life -3.2 Prokaryotes

Quiz
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Biology
•
University
•
Hard
Vivika Arocho
Used 3+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ancestral prokaryote engulfs and oxygen-using energy-harvesting prokaryote and then engulfs a photosynthetic Prokaryote
Ancestral prokaryote engulfs a photosynthetic prokaryote and then engulfs an oxygen-using energy-harvesting prokaryote
Ancestral prokaryote engulfs an energy-harvesting prokaryote that does not rely on oxygen and then engulfs a photosynthetic eukaryote
Ancestral prokaryote engulfs a photosynthetic prokaryote and then engulfs an energy-harvesting prokaryote that does not rely on oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following organelles originated from endosymbiosis?
Nuclear membrane and Golgi apparatus
ER and chloroplasts
Chloroplasts and mitochondria
Mitochondria and Golgi apparatus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following are four hypothesized stages of the origin of life. Place them in the correct order.
1. Origin of self-replicating molecules
2. Joining of small organic molecules into long-chain
molecules
3. Abiotic synthesis of small organic molecules
4. Packaging of molecules into fatty membranous
Proto-cells
1,2, 3,4
3,2,4,1
4,2, 3,1
3, 1, 2,4
2,1, 4,3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do some scientists believe that RNA, rather than DNA, was the first genetic material?
RNA has both information storage and catalytic properties
RNA contains uracil in place of thymine
RNA could evolve into DNA
RNA can replicate more accurately than DNA
All the photo-cells on early Earth contained RNA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A species of bird finds its way to the Galápagos Islands, where there are several ecological niches. The species evolves into many new species to fill all the unfilled niches. This is an example of:
resource partitioning
adaptive radiation
endosymbiosis
gradualism
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prokaryotes lack some parts found in eukaryotic cells, including which item?
a nuclear membrane
DNA
on or more chromosomes
a plasma membrane
all of the above are missing in prokaryotic cells
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which gets its energy from sunlight and its carbon from ingesting other organisms?
photoautotroph
chemoautotroph
photoheterotroph
chemoheterotroph
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Without prokaryotes:
much decomposition in the soil would stop
synthesis of vitamin K in the human gut would cease
plants would have fewer soil nutrients to absorb
all of these would occur without prokaryotes
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Organisms that cannot survive the presence of oxygen are called:
obligate anaerobes
facultative aerobes
obligate aerobes
none of these, no such organisms exist
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