Marine Animal Review
CHAPTER 8:
- Give 3 characteristics of sponges
 
- Cnidarians:
 - What is a cnidocyte?
 - List 2 major types of cnidarians
 - Differentiate the two body plans of cnidarians.
 
- Platyhelminths
 - Flatworms are differentiated into turberellians and flukes/tapeworms. What is the main difference?
 
- Other marine worms (Ribon worms, lophophorates etc)
 - List 3 things marine worms do for the ecosystem.
 
CHAPTER 9:
- Mollusks
 - Name and describe the 2 main parts of a mollusk’s body.
 - Contrast the three main mollusk types: Gastropods, bivalves, and cephalopods
 
- Annelids and Nematodes
 - Give two characteristics of annelids
 - Which animal is the most abundant on Earth?
 
- Arthropods
 - What does the word “arthropod” mean?
 - What are the two main classes of arthropods and how are they similar? How do they differ?
 
- Echinoderms
 - Give two characteristics of sea stars and sea urchins.
 - What does the term “echinoderm” mean?
 
- Tunicates and Cephalochordates
 - What is the common name for cephalochordates, and what do they do?
 
CHAPTER 10
- Jawless fish
 - What are the two remaining types of jawless fish?
 - What characteristics make them unique?
 
- Sharks and Rays
 - What skeletal characteristic defines sharks and rays? Describe this in detail.
 
- Define and describe the “ampullae of Lorenzini”
 
- Differentiate sharks and rays.
 
- Bony fishes
 - What are the most common type of fish (and vertebrates) in the ocean?
 - Describe 2 functions of a fish’s gills.
 
- How do bony fishes control their buoyancy?
 
CHAPTER 11:
- Reptiles
 - Name and describe the egg that is unique to reptiles.
 
- How many types of sea turtles are there? Name them.
 
- Where is the only place to find marine iguanas in the wild?
 
- Birds
 - Name and describe 2 major types of penguins. Which are biggest? Smallest?
 
- What types of animals prey on penguins? Why not polar bears?
 
- What are two adaptations of birds for flying?
 
- How do cormorants eat their food? Why?
 
- What types of birds spend most of their life out at sea? When do they return to land?
 
- How does a turnstone find its food?
 
CHAPTER 12:
- Sea otters
 - Where do sea otters naturally live?
 
- Why do they float on their backs?
 
- Polar bears
 - Where do polar bears naturally live?
 
- Why are polar bears endangered?
 
- Pinnepeds
 - List and describe 3 types of pinnepeds.
 
- Where do they generally live?
 
- Which are considered “true seals”?
 
- Whales
 - Name 3 important adaptations of whales
 
- Differentiate 3 types of toothed whales.
 
- What is baleen and how do whales use it?
 
- Sirenians
 - Differentiate the two types of sirenians.
 
