Biology: The Dynamics of Life, California Edition

Section 1: Sponges

Sponges

1.
A sponge expels wastes through its __________.
A)osculum
B)pore cells
C)collar cells
D)spicules
2.
Which of these statements is true?
A)All sponges are found in freshwater environments.
B)All sponges are invertebrates.
C)All sponges reproduce asexually.
D)All sponges are parasites.
3.
Most sponges reproduce sexually and are __________.
A)bilaterally symmetrical
B)predators
C)vertebrates
D)hermaphrodites
4.
__________ are one way sponges protect themselves from predators.
A)Teeth
B)Chemicals
C)Fins
D)Vocalizations
5.
Which of these statements about sponges is NOT true?
A)Sponges belong to the phylum Porifera.
B)Most species of sponges are filter feeders.
C)Most sponges live in marine ecosystems.
D)Sponge bodies have radial symmetry.
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