Phylum Porifera Review

What type of symmetry do sponges have?

• bilateral

• radial

• assymetrical

What type of cells help circulate water through the sponge?

• amoebocytes

• choanocytes

• spicules

• osculum

What type fo reproduction do sponges perform?

• sexual reproduction

• assexual reproduction (gemmules)

• assexual reproduction (budding)

• all of the body

Tags

NGSS.MS-LS3-2

Sponges are aquatic invertebrates that make up the phylum Porifera.

• true

• false

Adult sponges are sessile while the larva are free swimming.

• true

• false

Which of the following is NOT a characteristic of sponges?

• Body wall penetrated by many pores.

• Cells organized into tissues

• Collar cells that trap food particles.

• Amoebocytes that transport food.

Tags

NGSS.MS-LS4-2

small, vase shaped sponges with spicules made of calcium carbonate

• Class Calcarea

• Class Hexactinellida

• Class Demosponges

sponges with six rayed spicules made of silicia

• Class Calcarea

• Class Hexactinellida

• Class Demosponges

Tags

NGSS.MS-LS4-2

ave spicules that contain silica, a skeleton made of spongin, or both

• Class Calcarea

• Class Hexactinellida

• Class Demosponges

Tags

NGSS.MS-LS4-2

The structures found in most sponges are composed silica or calcium carbonate are called __________

• spicules

• mesohyl

• spongin

• amoebocytes