Most sea snakes live near the coastline in estuaries or coral reefs.  Some are oviparous and come to land to lay eggs, but the majority are aplacentally viviparous.

The lampreys and hagfishes are included in a group called Agnatha.  This name refers to the round shape of their mouths.

Compare true seals and sea lions in terms of: their testes, their necks, how they swim, and the position of their hind-flippers while on land. Be specific. No outlines are allowed.  Your answer must be in paragraph format and in your own words.  Spelling counts.

Which of the following is part of the evidence that whales had terrestrial (land) ancestors?

You are studying the utricle, saccule, and the cupula in the ampulla near the semicircular canals. You are studying:

The most common method of bone formation (endochondral ossification) involves replacement of ________ with bone. Evidence of this process is seen in the ephiphyseal plates (growth plates) in children.

Which of the following are characteristics of the non-avian reptiles?

Cerebrospinal Fluid (CSF) is produced by the ________ which is located withing these highlighted structures called the ________. (mark the two that apply)

  Identify muscle 2.

Sea otters were almost hunted to extinction.  They were hunted as food because their muscles taste very good .