Cladogram

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

• crayfish
• grasshopper
• perch
• frog

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

• Frog
• Hare
• Caiman
• Parrot

Natural selection

• process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
• Humans select which animals live and die
• both 
• IDK

What trait separates sharks from ray-finned fish?

• Vertebrae
• Bony skeleton
• Four limbs
• None

You look at two species and see very similar amino acid sequences. What does this likely tell you?

• These are the same animal.
• These animals have a common ancestor.
• These animals are not likely related.
• These animals are likely becoming one species.

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

• A

• B

• C

• D

• E

Which trait(s) do conifers have?

• vascular tissue only

• vascular tissue and seeds

• vascular tissue, seeds and flowers

• seeds only

The long and sharp beak of a woodpecker is an example of

• natural selection

• selective breeding

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

• Fur

• Claws or nails

• Lungs

• Jaws

What distinguishes zebras from from giraffes?

• un-branching horns (in males)

• even number of toes

• fur

• carnivorous teeth