Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
What BEST explains why most sharks must be continuously swimming?
|
sharks lack swim bladders
|
|
|
What cartilaginous structure can be considered the "backbone" of a fish's gill?
|
gill arch
|
|
|
What structure in a fish absorbs oxygen from the water?
|
gill raker
|
|
|
What is a jawless fish with a sucking organ?
|
lamprey
|
|
|
What fish is known for migrating to the Sargasso Sea for spawning?
|
freshwater eel
|
|
|
The sperm-containing fluid released by male fish during spawning is ___.
|
milt
|
|
|
The scales of sharks, rays, and chimaeras are called ____.
|
denticles |
|
|
The only cartilaginous fish that have opercula are ____.
|
chimaeras
|
|
|
A fish has a ____-chambered heart
|
two |
|
|
The is _____responsible for more injuries to people than all other types of fish combined T |
stingray |
