What grade of organization does parazoa have?
What are the different forms of sponges?
What do choanocytes do?
What do archaeocytes do?
What is a leuconoid?
What is the Trabecular reticulum?
How can sponges reproduce sexually?
What canal system is composed of tiny, interconnected, dead-end canals whose flagellated cells draw in water from the outside through minute pores and transfer it to a large central cavity?
What path does water follow in syconoids?
Why are zygotes typically retained?
What is the advantage of sessile parents producing free swimming larvae?
What is the only classification of marine sponge that can reproduce via gemmule?
What is the flow of water through an asconoid?
What are the possible functions of an amebocyte?
What is the flow of water in a leuconoid?
Definition of the class Calcarea
Definition of class Hexactinellida
Definition of Class Demospongiae