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Scientific Inquiry #06 (Whale Evolution)
By Elizabeth Winer
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Last updated about 3 hours ago
14 questions
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HS-LS4-1
Question 1
1.
Question 2
2.
Why did you select the organism above? What similarities does it share with modern whales?
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Question 3
01:33
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Question 4
02:38
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Question 5
03:13
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Question 6
03:44
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Question 7
03:58
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Question 8
04:18
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Question 9
05:39
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Question 10
06:55
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Question 11
07:49
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Question 12
08:58
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Question 13
13.
Question 14
14.
Explain why you chose the answer the #13 as the
strongest evidence
that whales share a common ancestor with land mammals?
Let's think about whales!
Which type of organism do you think whales are most closely related to?
Fish
Sharks
Sea lions
Hippos
Other... I'll explain below!
Question 3
3.
Question 4
4.
Question 5
5.
How are whale fins similar to human arms?
Question 6
6.
What do these "leg" bones suggest about whales' evolutionary history?
Question 7
7.
Question 8
8.
How are human and dolphin embryos similar?
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Which of the following do you think is the
strongest evidence
that whales share a common ancestor with land mammals?
Comparative Anatomy
Embryology
Fossil Record
DNA Comparison
What is comparative anatomy?
The study of remains of ancient organisms
The study of differences and similarities between different things
The study of how creatures develop before being born or hatching from an egg
The study of genes and heredity
Select ALL of the traits whales share with land mammals.
Warm blooded
Have placenta and give live birth
Have noses with nostrils
Feed milk to their young
Breathe air with lungs
What is embryology?
The study of the remains of ancient organisms
The study of differences and similarities between different things
The study of genes and heredity
The study of how creatures develop before being born or hatching from an egg
The intermediate fossil of the Basilosaurid whale contains a nasal hole at the...
End of the snout
Top of the head
Middle of the snout
What features of the maiacetus suggest that it was a "walking whale"? Select ALL that apply
Short legs combined with long, flat fingers and toes suggest they were strong swimmers with webbed hands and feet
Observations of modern maiacetus whales
Bones found by fossils of other sea creatures
Ear bones match basilosaurid whales and modern whales
Which organism are whales most closely related to according to DNA analysis?
Hippos
Fish
Sea lions
What evidence supports that whales and hippos had a common ancestor? Select ALL that apply.
Give birth and nurse their young under water
Have double chambered stomachs and missing a coat of fur
Both herbivores (plant eaters)
Similar ankle bones in hippos and whale ancestors