They eat plankton floating in the water.
They eat small fish.
They hold on to fish with their suckers and feed on blood from the host.
They suck detritus off the ocean floor.
From jointed appendages
When teeth fused, forming the upper jaw
From gill arches that fused to the vertebrae of the fish
From gill arches near the mouth that fused to the cranuim
New Zealand smooth skate
Atlantic sea bass
Lateral line system
A series of sensory nodes on the sides of bony fish
A set of holes on the snout of some reptiles
Responsible for "heat vision" in snakes
A specialized gill structure in sharks.
They must take in water through their skin.
They pull oxygen out of the water.
They excrete wastes directly into water.
They lay eggs in water and must keep themselves and their embryos moist.
Has specialized tissues.
Is an invertebrate.
Is an autotroph.
Has radial symmetry.
Mammals are amniotes.
Mammals have mammary glands.
Mammals do not lay eggs.
Mammals are endotherms.
Both are free swimming.
Both have a mouth and tentacles.
Both are umbrella shaped.
Both are sessile filter feeders.
Larval stage in the life cycle
Loa loa worm
Shed its cuticle
Develop a pseudocoelom
Develop crosswise muscles
Develop a circulatory ststem
In its tube feet
In the food organisms stomach
In the anus
In its stomach, which has been pushed out of its mouth