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;
20 Cards in this Set
- Front
- Back
|
Fishes are_____vertebrates |
Aquatic |
|
|
What type of fish do not have scales |
Cartilaginous and jawless |
|
|
What two features were important developments during the evolution of fishes |
Jaws and fins |
|
|
Which period is called the age of fishes |
Devonian |
|
|
Jaws allow fish to do what |
Eat |
|
|
Paired find gave fish more control over what |
Movement in water |
|
|
The two major types of fish have skeletons made of what |
Bone and cartilage |
|
|
Name a parasitic fish |
Lamprey |
|
|
Food is processed in finger like pouches called what |
Pyloric ceca |
|
|
Gills are made of feathery structures called what |
Filaments |
|
|
What structure covers and protects gills |
Operculum |
|
|
What two chambers are in a fishes heart |
Atrium and ventrical |
|
|
_____are excretory organs that filter wastes from the blood |
Kidneys |
|
|
What helps fish to sense vibrations in the water |
Lateral line system |
|
|
What structure keeps a fish from sinking |
Swim bladder |
|
|
Fish whose eggs hatch outside of the moms body are called what |
Dioecious |
|
|
Fish whose eggs stay within the mom is called what |
Viviparous |
|
|
Names the three groups of fish |
Jawless cartilaginous and bony |
|
|
What are the two classes of jawless fish |
Hagfish and lamprey |
|
|
What jawless fish secretes incredible amounts of slime |
Hagfish |
