Chondrichthyes
What would you find inside a "mermaid's purse"
What is a baby shark, skate, or ray (mermaid's purse is the egg/yolk sac)
Bony fish reproduction occurs primarily this way.
What is external fertilization (spawning)?
Sea birds, marine reptiles, and marine mammals all use this organ for breathing.
What are lungs?
These are the smallest marine mammals
What are sea otters?
Unlike their terrestrial counterparts, these marine reptiles have a flattened tail to be used as a paddle
What are sea snakes?
These fins are found near the gills and are responsible for steering and direction
What are the pectoral fins?
Unlike sharks which have an oily liver for buoyancy, bony fish have this instead.
What is a swim bladder?
Sea birds belong to this class.
What is class Aves?
Cetaceans use soundwaves to help them "see" their surroundings. This is known as
What is echolocation?
This type of marine reptile does not require access to land
What are sea snakes?
Located on the pelvic fins of male sharks, these structures are used in reproduction to transfer sperm.
What are claspers?
Bony fish breathe using gills covered by this body structure.
What is the operculum?
These sea birds have thin legs and slim, sharp bills.
What are shore birds?
This is how a whale is adapted for breathing in the ocean.
What is air enters and exits through a blowhole?
These ectothermic marine vertebrates have lungs, a four-chambered heart, and salt glands.
What are crocodiles?
This form of shark reproduction is the most similar to that of whales and sea otters.
What is viviparous?
What is the lateral line system?
These sea birds have a fusiform body shape, wings that are modified into paddle-like flippers, and fatty insulation so they can retain heat are
What are penguins?
These marine mammals lack blubber, so they have dense fur instead.
What are sea otters?
These marine reptiles lay eggs with soft, leathery shells
What are sea turtles?
These sensory organs, found in the heads of cartilaginous fish, are used to detect weak electric fields
What is the Ampullae of Lorenzini?
These are the three types of bony fish scales
What are cycloid, ctenoid, and ganoid?
Sea birds can drink saltwater. This is how they excrete excess salt.
What is through a duct (salt gland) near their nostril?
These are the only herbivorous marine mammals
What are manatees and dugongs?
Marine Iguanas are exclusively found here
What is the Galapagos Islands (Ecuador)