Fishes Flashcards
What is a fin?
Fan shaped membranes that are used for balance swimming and steering
What is Cartilage?
The tough flexible material that the skeletons of agathans and sharks are made of
What is the lateral line system?
It is a fluid filled canal running along the sides of a fish that enable it to detect movement and vibrations in the water
What are scales?
They are thin bony plates formed from the skin
What is spawning?
A type of external reproduction
What’s a swim Bladder?
It is a thin walled sac found just below the backbone in most bony fishes
What is an Ectotherm?
An animal that has a variable body temperature and gets it’s heat from external sources
Vocal Cords
Sound producing bands of tissue in the throat