Fish and Amphibian Review

Which class contains the first vertebrates?

• fish

• amphibians

• reptiles

• birds

Which fish feature is primarily responsible for respiration?

• swim bladder

• gills

• operculum

• mouth

Which 2 structures aid lampreys in attaching to their prey?

• sharp teeth

• muscular jaws

• sucker-like mouth

• tail

Which of these fish have jaws?

• ostracoderms

• hagfish

• lampreys

• actinopterygii

Actinopterygii (like perch) have fan-shaped fins, otherwise known as....

• fin-arch

• ray-fin

• gill-arch

• lobe-fin

Which of the following is a lobe-finned fish

• perch

• minnow

• swordfish

• coelocanth

Why do hagfish tie themselves in a knot?

• to escape predators

• to fit inside of prey

• the stabilize while feeding

• to impress the boy scouts

What is the main component of Chondrichthyes' skeletons?

• placoid scales

• bone

• cartilage

• ossicles

The lateral line detects changes in __________.

• pressure

• scent

• light levels

• electrical fields

Which fish structure regulates buoyancy?

• swim bladder

• pectoral fins

• kidneys

• gills