Save
...
bio
Chap 18: Ectothermic Vertebrates
Fish
Save
Share
Learn
Content
Leaderboard
Learn
Created by
ania
Visit profile
Cards (11)
cartilaginous fishes
fish with skeletons made of cartilage
jawless
fish
parasitic and lack many vertebrate features
bony fishes
spine and soft rays support
membranous
fins. 95% of fishes
fins
used by fish to
steer
, maintain
stability
, and
move
scales
for protection
mucus
a layer found in
bony
fishes,
reduces
drag and protection from parasites
countershading
fish have
darker
color on upper body and lighter on lower for
camouflage
lateral line
dark line composed of sensory organs
fish have
closed
circulatory system
fish have 2 chambered heart
atrium
ventricle
swim bladder
fills with air to keep fish afloat