Phylogenetic Tree

Which group of animals on this tree are most closely related to birds?

• Saurischian dinosaurs

• Ornithischian dinosaurs

• Crocodiles

• None of these are related to birds

What number is the common ancestor of C and D

• 1

• 2

• 3

• 4

From the picture above, What do the species all have in common?

• Back bone

• Same father

• Common ancestor

• Feathers

What is the common ancestor of Letters A, B, C, D, E?

• 1

• 2

• 3

• 4

Who is the closest relative to the brown bear?

• Giant panda

• Dog

• Lesser panda

• Sun bear

Which organism is the most distantly related to all the others?

• Raccoon

• Dog

• Giant Panda

• Sun Bear

Which group of animals on this tree are most closely related to birds?

• Saurischian dinosaurs

• Ornithischian dinosaurs

• Crocodiles

• None of these are related to birds

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

Tags

Biochemical evidence

On the cladogram, which organism is the closest relative of the parrot?

• Frog

• Hare

• Caiman

• Parrot

The cladogram shown is a model used by scientists to represent the order in which they hypothesize organisms descended from a common ancestor based on the appearance of derived characteristics.

Which of the following traits do the salamander and the lizard share?

• Jaws only

• Jaws and Lungs

• Claws or nails

• Jaws, Lungs, and Claws or nails