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WorksheetsFossil Evidence
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
What part of Eusthenopteron was important evolutionarily?
a)
precursors to arms
b)
precursors to a spine
c)
fully developed lungs
d)
fully devloped arms
2.
What did Tiktaalik have that was an indicator of walking motions?
a)
strong limbs
b)
wrist and finger bones
c)
lungs
d)
fins
3.
Ichthyostega had strong limbs to help it
a)
swim through the water
b)
climb trees
c)
move through vegetation
d)
dig in the dirt
4.
Dimetron had a _________________ that enabled it to regulate body temperature.
a)
heart
b)
set of lungs
c)
tail
d)
sail
5.
What did Thrinaxodon have that makes scientists think it was a transition animal from Reptiles to Mammals.
a)
sharp teeth
b)
claws
c)
fur
d)
opposable thumbs
6.
Morganucodon was an early _________________.
a)
Reptile
b)
Mammal
c)
Amphibian
d)
Bird
7.
Archaeopteryx was an early ____________________.
a)
Reptile
b)
Mammal
c)
Fish
d)
Bird
8.
How do scientists know Yanornis was adapted for flight?
a)
It had feathers
b)
It had perching feet
c)
It had a beak
d)
It had the right bone structure
9.
Which of the following is a Cetacean?
a)
A shark
b)
A dolphin
c)
A seal
d)
A crocodile
10.
Ambulocetus had what adaptation that indicated land mammals became aquatic mammals?
a)
body hair
b)
live birth
c)
produced milk
d)
webbed toes
11.
Was Dryopithecus quadrupedal or bipedal?
a)
Quadrupedal
b)
Bipedal
12.
What structure did Australopithecus have that indicated it walked on two feet most of the time?
a)
elongated feet
b)
elongated toes
c)
a different shaped humerus
d)
a different shaped femur
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