Introduction to Marine Invertebrates

The study of the structure of organisms and their parts. Anatomy. Anatomy is the science of understanding how living things are put together.

The back, or upper side of an organism. Dorsal refers to the upper side or back of an animal, like a dolphin's fin.

An organism that eats by straining food particles from water. Filter feeder. A filter feeder is an animal that gets its food by filtering small particles like plankton from the water.

The study of the form and structure of organisms. Morphology is the science of understanding how living things are shaped and organized.

The scientific study of functions and mechanisms in a living system. Physiology is the science of how living organisms function and perform vital processes.