Sponges . Section 26–2 This section explains what a sponge is. It also describes how sponges carry out essential functions. . What Is a Sponge? . Sponges are placed in the phylum Porifera . . What are pores, and where are pores on a sponge’s body?
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This section explains what a sponge is. It also describes how sponges carry out essential functions.
Is the following sentence true or false?
Sponges have no tissues.
How is a sponge larva different from the adult form?
Gemmules are groups of archaeocytes surrounded by a tough layer of spicules that can survive freezing temperatures and drought conditions that would kill adult sponges. Sponges reproduce asexually by producing gemmules.
Why do you think many sponges are colored green?
They are green because symbiotic bacteria, algae, or plantlike protists are living in the sponges.