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Cladogram

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
According to this cladogram, sharks are MOST closely related to which organism? 
a)
Amphibians
b)
Ray finned fish
c)
Crocodiles
d)
Birds
2.
Which two orgainsms have hair? 
a)
Sharks & Ray Finned Fish
b)
Primates & Rodents
c)
Birds & Crocodiles
d)
Rabbits & Birds
3.
According to this cladogram, birds are LEAST related to: 
a)
Amphibians
b)
Sharks
c)
Ray Finned Fish
d)
Crocodiles
4.
According to the cladogram, which organism is most distantly related to the human?
a)
crayfish
b)
grasshopper
c)
perch
d)
frog
5.
Which trait do only humans have, according to the cladogram?
a)
jaws
b)
mammary glands & hair
c)
terrestrial during all life stages
d)
bipedal & opposable thumbs
6.
On the cladogram, which organism is the closest relative of the human?
a)
Frog
b)
Hare
c)
Caiman
d)
Parrot
7.
What trait separates sharks from ray-finned fish?
a)
Vertebrae
b)
Bony skeleton
c)
Four limbs
d)
None
8.

Which species is most closely related to species C?

a)

A

b)

B

c)

D

9.

All the animals to the right of the salamander would have the common characteristic of...

a)

Fur

b)

Claws or nails

c)

Lungs

d)

Jaws

10.

Which is the newest trait?

a)

Amniotic egg

b)

Walking legs

c)

Jaws

d)

Hair

11.

What is this a picture of?

a)

Pedigree

b)

Cladogram

c)

Family Tree

d)

Oak Tree

12.
According to this cladogram, primates are most closely related to -
a)
Amphibians
b)
Rodents and rabbits
c)
Crocodiles
d)
Birds
13.
You look at two species and see very similar amino acid sequences. What does this likely tell you?
a)
These are the same animal.
b)
These animals have a common ancestor.
c)
These animals are not likely related.
d)
These animals are likely becoming one species.
14.
All the animals to the right of the hagfish would have the common characteristic of -
a)
Fur
b)
Claws or nails
c)
Lungs
d)
Jaws
15.

Which letter represents the most recent common ancestor of sponges and mushrooms?

a)

A

b)

B

c)

C

d)

D

e)

E

16.

Which trait(s) do conifers have?

a)

vascular tissue only

b)

vascular tissue and seeds

c)

vascular tissue, seeds and flowers

d)

seeds only

17.

According to the cladogram, which organism is most distantly related to the chimpanzee?

a)

salmon

b)

salamander

c)

lizard

d)

hamster

18.

According to this cladogram, primates are most closely related to....

a)

Amphibians

b)

Rodents & rabbits

c)

Crocodiles

d)

Birds

19.

Which trait do only humans have, according to the cladogram?

a)

jaws

b)

mammary glands & hair

c)

terrestrial during all life stages

d)

bipedal & opposable thumbs

20.

Which animals have amniotic eggs?

a)

Turtle and Tuna

b)

Turtle and Leopard

c)

Lancelet and Lamprey

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