MA Taxonomy

A cladogram is shown below.

Choose the spot that indicates the most recent common ancestor of the leopard and the domestic cat.

A cladogram is shown below.

Based on the information in the cladogram, which characteristic would likely be found in the most recent common ancestor of the leopard and the domestic cat but NOT in the other organisms?

• Ability to purr

• Retractable claws

• Carnivorous teeth

• Hair

A student found a small unfamiliar animal. It had small ears and its tail had hair on it. The tail was 19 mm long. Use the following key to identify the animal.

What is the animal?

• deer mouse

• prairie vole

• white-footed mouse

• woodland vole

Tags

B.8B

Phylogenetic trees are models that show ancestral relationships among taxonomic groups based on genetic similarities.

Choose ALL of the common ancestors shared by Homo sapiens and the Gorilla. (hint: there are three!)

Tags

B.8B

Phylogenetic trees are models that show ancestral relationships among taxonomic groups based on genetic similarities.

Which taxonomic group has the greatest genetic difference from Homo sapiens?

• Pongo

• M. sylvanus

• Hylobates

• Pan

Tags

B.8B

A frog that is native to the rainforests of Central America is a member of the genus agalychnis. This genus is part of the hylidae family, and this specific frog belongs to the species callidryas.

• Agalychnis hylidae

• Hylidae agalychnis

• Callidryas agalychnis

• Agalychnis callidryas

Tags

B.8B

A student researched the taxonomical classifications of four different organisms.

Which animals are more closely related?

• Bush anole and crested penguin

• Crested penguin and ferret

• Ferret and muskrat

• Bush anole and ferret

Tags

B.8B