Exam 18: Life History

Mammals that lay eggs are called ____________________ mammals.

Lung-fish are important in the fossil record as they are related to the evolution of amphibians.

The oldest australopithecines were _________________________.

The feature that distinguishes the two subclasses of bony fish is:

How did eukaryotic cells evolve, and why was this advance so important in life history?

What are the differences between saurischian and ornithischian dinosaurs, and what was their common ancestor like?

Single-celled animals known as ____________________ were plankton that diversified tremendously during the Mesozoic.

What are stromatolites also referred to as?

What happened to marine invertebrates during the mass extinction that occurred at the end of the Permian Period, and what caused it?

What is the evidence that dinosaurs were endotherms? What is the evidence that they were ectotherms? What is the conclusion?

Where are the Ediacaran fauna found?

Carboniferous age reefs differed from those of the Devonian in that they were much more massive than the older reef structures.

Seedless vascular plants lived in low wet habitats because they:

What is important to know about the evolution of invertebrate phyla?

Since the appearance of Cro-Magnon, what has been the major area of human evolution?

What were the characteristics of the first eukaryotic cells?

What characterized the Ordovician in terms of invertebrate life, and how does that relate to what was happening geologically at the time?

The amalgamation of Pangaea may have played an important role in the Permian extinction because the shallow marine environment was greatly reduced.

Which reptile group is considered to have been the ancestor for the mammals?

Describe the evolution of fish in the Paleozoic.