Members of this group of fish are cartilaginous and include sharks, skates, and ray.

Members of this group are characterized by an external surface covered in placoid scales.

Members of this group are bony fish and includes goldfish, salmon, and perch.

Members of this group are characterized by a swim bladder and operculum.

Which organ allows the fish to adjust its buoyancy?

Which fin propels the fish through the water?

Which fin is shown as #1 in this picture?

What fin type is #5 pointing to?

#2 is pointing to what fin type?

#3 is the ______ dorsal fin.

Which of the following is not a member of Class Chondrichthyes?

How many chambers are in a fish heart?

Why do fish suffocate when they are removed from water?

Water & blood move in ______ direction(s) in the countercurrent exchange system of fish gills.

Which of the following are the two major classes of Gnathostomata fish?

What is the function of the lateral line?

What are the functions of the operculum? (choose two)

What is the function of the gills?

Fish like the perch reproduce via _____________ fertilization.

What structure helps filter feeding fish trap plankton?

Which type of development results in internal development without maternal nourishment?

What type of development results in internal development with direct nourishment from the mother?

Type of development resulting from the mother laying undeveloped eggs?

Which amphibian order includes salamanders and newts?

Which amphibian order includes worm-like animals called caecillians?

Which amphibian order includes members with long hind limbs modified for jumping like frogs and toads?

What is the meaning of the word amphibia?

Amphibians like frogs use cutaneous respiration to breathe. How does gas exchange occur in this manner?

Frogs have something called a nictating membrane. What is the function of this structure?

What organ do frogs use to hear?

How many chambers are in a frog heart?

Which of the following does NOT occur during frog metamorphosis?

Which sense structure is the most important for amphibians?

Which amphibian lacks the tympanic membrane and middle ear?

Which of the following is NOT a function of chemoreceptors?

What is the diet of most amphibian larvae?

The urostyle made from fused caudal vertebrae is found in which amphibians?

Which of the following has teeth?

_____ lay eggs in long strings while _____ lay eggs in clumps or masses.

Which fish class includes coelacanths?

Which fish class is known as the ray-finned fish?

What is meant by the term diadromous?

Member of this amphibian order have internal fertilization but don't actually copulate...

What's the name of the amphibian fossil that demonstrates a transition from fish to amphibians?

True tongues are first seen in which animal class?

Which sex has a vocal sac?

What body structure is reduced in amphibians compared to fish?

What is the name of the process when tadpoles with external gills transition into adults who (sometimes) have internal lungs?

Tadpoles are least affected by the chytrid fungus infections because they do not have much ____________.