They are named for their combs, rows of hairlike appendages called cilia they use to move through the water. Ctenophores are one of, if not the, oldest animals on Earth — quite possibly a sister ...
They are named for their combs, rows of hairlike appendages called cilia they use to move through the water. Ctenophores are one of, if not the, oldest animals on Earth — quite possibly a sister to ...
Nutria family on the green grass. Waterfowl rodent coypu. Myocastor coypu eating food near pond. Wild animal in natural habitat. beaver teeth stock videos & royalty-free footage 00:16 Wet water rat or ...