Summarize how the fossil cetacean ancestors changed over time. Give at least one example of a specific trait and how it changed.

The Zeuglodon fossil looked different from any living whale. The Zeuglodon fossil had teeth with two roots. Reptiles (including dinosaurs) have teeth with one root. Most land mammals have teeth with two roots

Explanation:

hammurabi rulers

good lesson

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.