
The anatomy of a Scyphozoan, or “true jellyfish.”
These cnidarians are 95% water; they lack muscles, bones, have a rudimentary nervous system known as a nerve net, and have tissues derived from only two germ layers.
(Source: nsf.gov)

The anatomy of a Scyphozoan, or “true jellyfish.”
These cnidarians are 95% water; they lack muscles, bones, have a rudimentary nervous system known as a nerve net, and have tissues derived from only two germ layers.
(Source: nsf.gov)