Manatees and dugongs are herbivores that live in shallow coastal areas (e.g., bays). As is typical of herbivores, they have very long intestines.

  Look at item 2. This is the _____________. (Important: posterior is to the left and anterior is to the right in this image)

There are many different types of joints. The most mobile joints are classifies and ______ joints. Examples include your elbow joint, knee joint, shoulder joint,

The tunicates and the lancelets are groups of chordates that lack a cranium and a vertebral column.

Birds are considered reptiles. There is evidence to support the hypothesis that they evolved from a group of dinosaurs.

The pectoral fins of sharks are used to provide forward propulsion during swimming.

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

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.

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?