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According to the Evolution 101 video, what are the two key ingredients to natural
selection?
Reproduction and variation
Which of the following is NOT true about natural selection?
It ensures that only the biggest and the strongest organisms survive.
What does "the fittest" mean in an evolutionary sense?
The most reproductively successful
Evolution is:
Neither entirely fixed nor entirely random
According to the Evolution 101 video, what is the goal of the tree of life?
To explain how all species are related to each other
Which of the following are true about phylogenetic trees?
They're a way of visualizing how different species are related.
According to the Fossils: Rocking the Earth video, fossils provide each of the
following except:
A complete record of past life on Earth
What is NOT true about the evidence that fossils provide?
All fossils contain intact DNA that can be sequenced.
Why don't we have a complete fossil record of all life that's ever lived?
Fossil formation requires a rare mix of physical and biological conditions.
Fossils must be exposed at Earth's surface to have a chance of being found.
Fossils can be destroyed when rocks erode, melt, or change composition.
According to the Fossils: Rocking the Earth video, fossils provide each of the
following except:
A complete record of past life on Earth
Why don't we have a complete fossil record of all life that's ever lived?
Fossil formation requires a rare mix of physical and biological conditions.
Fossils must be exposed at Earth's surface to have a chance of being found.
Fossils can be destroyed when rocks erode, melt, or change composition.
What is NOT true about the evidence that fossils provide?
All fossils contain intact DNA that can be sequenced.
Analogy
similar
Vestige
trace or left over
goal of the tree of life
to explain how all species are related to each other
tree of life
A diagram depicting the genealogical relationships of all living organisms on Earth, with
a single ancestral species at the base.
which way does time run on the tree of life
According to the Evolution 101 video, what are the two key ingredients to natural
selection?
Reproduction and variation
Which of the following is NOT true about natural selection?
It ensures that only the biggest and the strongest organisms survive.
What does "the fittest" mean in an evolutionary sense?
The most reproductively successful
Evolution is:
Neither entirely fixed nor entirely random
According to the Evolution 101 video, what is the goal of the tree of life?
To explain how all species are related to each other
Which of the following are true about phylogenetic trees?
They're a way of visualizing how different species are related.
According to the Fossils: Rocking the Earth video, fossils provide each of the
following except:
A complete record of past life on Earth
What is NOT true about the evidence that fossils provide?
All fossils contain intact DNA that can be sequenced.
Why don't we have a complete fossil record of all life that's ever lived?
Fossil formation requires a rare mix of physical and biological conditions.
Fossils must be exposed at Earth's surface to have a chance of being found.
Fossils can be destroyed when rocks erode, melt, or change composition.
According to the Fossils: Rocking the Earth video, fossils provide each of the
following except:
A complete record of past life on Earth
Why don't we have a complete fossil record of all life that's ever lived?
Fossil formation requires a rare mix of physical and biological conditions.
Fossils must be exposed at Earth's surface to have a chance of being found.
Fossils can be destroyed when rocks erode, melt, or change composition.
What is NOT true about the evidence that fossils provide?
All fossils contain intact DNA that can be sequenced.
Analogy
similar
Vestige
trace or left over
goal of the tree of life
to explain how all species are related to each other
tree of life
A diagram depicting the genealogical relationships of all living organisms on Earth, with
a single ancestral species at the base.
which way does time run on the tree of life
