Quiz Review for Evolution

have a common ancestor.

Embryology suggests that reptiles, birds, and mammals.....

Vestigial structures

Features that once useful in ancestors but are no longer useful are called...

A series of mutations caused them to evolve separately to similar habitats.

Polar bears live in Arctic and penguins live in Antarctica, if both animals live in the same climate, why do they not live in the same place?

Geographic isolation

The construction of a highway that separates two land masses and creates a barrier between two organisms is said to have created ....

Eukaryotic cells

The endosymbiotic theory scientifically explains what type of cell?

Homologous

These specific bones are examples of what type of structure?

The organism with a vertebrae would be the common ancestor.

This cladogram shows that there was an organism that had a vertebrae, that organism would be the what to all of the other organisms?

False

True or False: The fossil record is a complete record.

The locations are geographically isolated from each other.

Which factor explains how the polar bear in Alaska and the brown bear in Russia evolved into separate species?

Analogous

Which term best describes the structures shown below?