1.) success of sponges
2.) polymorphism in sponges and cnidarians
3.) life cycles of cnidarians; flatworms
4.) distribution of corals
5.) decreases in coral diversity in Florida
1.) success of sponges
2.) polymorphism in sponges and cnidarians
3.) life cycles of cnidarians; flatworms
4.) distribution of corals
5.) decreases in coral diversity in Florida