Bivalves are flattened in the sagittal plane. They are bilaterally symmetrical. A good example of a bivalve is a clam.
Squamous epithelium
Because they need to be shaped aerodynamically to easily swim through the water.
The Ocean Sun Fish is the coolest looking fish I know of. It is as big as a minivan, flattened, and has two huge keels, one on the top, and one on the bottom.
Fin means flipper or flattened appendage on a fish. No one fin WW1
Angel shark
because in their larval stage they are bilaterally symmetrical.
Skates look similar to sting rays. They are flattened cartilagenous fish, and have tails. Their bodies look like a flattened disk or plate. Generally skates have a pointed front/nose where rays have a rounded front. They are closely related to rays.
platyhalminthus nematoda annelida mollusca arthropoda echinodermata chordata are bilaterally symmetrical
Foramina are openings. Neural foramina patent bilaterally just means that the openings in the spine are open, and allow the nerves to pass through normally...
like missiles the fish cut through the water with their streamlined shape my name is selena garcia and i live in spain, madrid
Yes.