Ch 32: Introduction to Vertebrates [Section 1]

Ch 32: Introduction to Vertebrates

[Section 1]

Vertebrates in the Sea and on Land

Quick Review

• Mass extinctions have resulted in losses of up to 96% of all species of animals

• Vertebrate- animal with a backbone

• Continental Drift- movement of Earth's landmasses over geologic time

• Carnivore- animals that eats other animals

• Herbivore- animal that eats plants and other primary producers

Quick Review

• Bilateral symmetry is a body  plan in which the right and left halves look the same.

• Cephalization  is an anterior concentration of sensory structures and nerves.

• A coelom is a fluid-filled space between the body wall and the gut.

• The function of genes is to carry the instructions for making a protein.

• Phylogenic relationships provide very strong evidence for evolution, because they reflect relationships indicated by the fossil record.

Multiple Choice

Bony fishes live in a wide variety of habitats, and there is great variation in their appearance.

• True

• False