Exam 15: Animal Evolution

Which trait allowed for evolutionary innovations in body form?

Which of the organisms below give support for the colonial theory of animal origins?

A mite is most closely related to which of the following?

Which geologic periods are known as the "Age of Reptiles"?

Reef-building polyps get their sugars from mutualistic ____.

Which vertebrate is a fish, has a cartilaginous skeleton, no jaws, and a tooth-covered tongue?

Humans have ____ symmetry and are ____.

Drugs used to treat AIDS and herpes virus infections are synthetic versions of compounds found in ____.

Amniotes differ from amphibians by ____.

The tube feet of sea stars are used primarily for ____.

The wet-nose and cleft upper lip of the _____ does not allow these primates the range of facial expressions and vocalizations observed in the anthropoids.

Which animal has radial symmetry, a gastrovascular cavity, and the same opening for the entry of food and expulsion of waste?

Tetrapods are most closely related to ____.

The vertebral column develops from the ____.

How do ray-finned fish keep from sinking?