Flashcards in Chapter 6 Deck (14)
In sponges, respiration and excretion of various molecules is accomplished by
Sponges are bilaterally symmetrical as juveniles but radially symmetrical as adults
Choanocyte cells play a role in many sponge species.
Cells that can differentiate into any other type of cell in sponges are the _________
Members of the class _______ are named glass sponges, found in deep sea areas.
The asconoid sponges have the simplest type of canal system
The cells of a sponge that are responsible for water flow and capture of some particles are the
The water outlets in sponges are known as __________
The adaptive radiation of sponges is mainly due to:
A unique water current system
Thin, epithelial-type cells covering the outer surface of sponges are the _______
Lophocytes are ameboid cells that can differentiate into all other cell types
The minute needle-like structures that act as a skeletal support system in sponges are called
Include the freshwater sponges