Sponge and Jellies Vocab check

What does the term sessile mean?

• Free swimming

• Attached to a surface

• Pore in side of sponge

• Silica or calcium internal structure in spone

What is a spicule?

• Free swimming

• Attached to a surface

• Pore in side of sponge

• Silica or calcium internal structure in sponge

Pick the word that best describes this organism

• Polyp

• Medusa

• Sessile

• Osculum

Tags

NGSS.MS-LS4-2

Which choice best describes a polyp?

• Sessile, early stage jellyfish

• Free swimming adult jellyfish

• Opening in side of sponge

• Opening where water exits from a sponge

Tags

NGSS.MS-LS4-2

This organism is attached to the bottom of the ocean. What is it?

• A medusa (adult jellyfish)

• A polyp (juvenile jellyfish)

• A medusa (juvenile jellyfish)

• A polyp (adult jellyfish)

What are these microscope structures and where are they found?

• Collar cells in jellyfish

• Ostia in sponges

• Nematocysts in jellyfish

• Spicules in sponges

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What is the opening on the side of the sponge called and what occurs here?

• Osculum- where water exits

• Collar cell- moves water through sponge

• Spicule- provides structure and support

• Ostia- where water enters

Tags

NGSS.MS-LS1-3

What are these top openings in the sponge called and what happens here?

• Ostia- Where water enters

• Spicules- Provide support and structure

• Osculum- Where water exits

• Collar cells- Create current for filter feeding

Cells that create current in sponges and capture plankton during filter feeding

• Spicules

• Ostia

• Osculum

• Collar cells

Tags

NGSS.MS-LS1-2

Stinging structures found in some jellyfish and sea anemones

• Spicules

• Collar cells

• Nematocysts

• Medusas