Exam 13: Paleozoic Life History Vertebrates and Plants

Warm-blooded, or ____________________ organisms, are able to maintain a constant internal body temperature.

Terrestrial vascular plants probably evolved from green algae.

Discuss the development of early vertebrates into advanced fish and, finally, into amphibians. What body changes were required to accomplish this move from the marine environment to land?

Which of the following was critical for the adaptation of reptiles to terrestrial ecosystems?

Echinoderms and chordates are thought to be more closely related that other phyla are to these groups because ____.

Plants became extinct at twice the rate of animals during the Permian extinction event.

The development of seeds allowed plants to grow flowers.

The ____________________ are a group of amphibians named for the wrinkling and folding of the chewing surface of their teeth.

The ____________________ fish are represented today by sharks, rays, and skates.

The evolution of jaws played an important role in the evolution of fish because it allowed them to ____.

Vertebrates first appeared in the ____.

Amphibians probably evolved from the ____________________, an important group of lobe-finned fish.

The first vertebrates evolved on the land.

The evolution of the ____________________ egg made possible the development of reptiles from amphibians.

The ____________________ plants have a tissue system of specialized cells for the movement of water and nutrients.

Amphibians likely evolved from the lobe-finned crossopterygians.

The ____________________ were a group of seedless, vascular plants that lived in coal-forming swamps during the Late Carboniferous and Permian.

Amphibians were the first organisms to live on land.

The proliferation of plants on Earth did NOT significantly impact ____.

The earliest fish were ____.