Sponge

Most sponges are ________________, but some live in freshwater.

• marine

• yellow

• square

• good cooks

jelly-like substance that separates the endoderm and ectoderm

• spongin

• spicules

• mesohyl

• choanocytes

Outer cell layer in sponges

• mesohyl

• ectoderm

• endoderm

• spongocoel

cells that line the pores of a sponges; they contract or relax to control water flow

• amoebocyte

• porocyte

• schlerocyte

• choanocyte

Structure on choanocytes that form the "collar"; they trap and particles

• flagella

• microvilli

• nucleus

• spicule

Tags

NGSS.MS-LS1-2

Sponges generate a current through their bodies using

• Flagella on their choanocytes

• Flagella on their amebocytes

• Flagella on their ostia

• Flagella on their osculum

Tags

NGSS.MS-LS1-2

Sponges are in phylum

• Cnidaria

• Porifera

• Chordata

• Echinodermata

Sponges obtain food through

• filter feeding

• trapping

• predation

• scavenging

Tags

NGSS.MS-LS2-3

Which substances give the sponge support?

• Spongin

• Spicules

• Buds

• Amebocytes

Water enters sponges through their

• ostia

• choanocytes

• amebocytes

• spicules