Porifera, Cnidaria & Ctenophora

A sponge whose skeleton is built from the spicules pictured would belong to what Class?

• Hexactinillida
• Demospongiae
• Calcarea
• Porifera

Tags

NGSS.MS-LS4-2

What group of animals are the simplest multicellular animals?

• Cnidarians
• Sponges
• Insects

What does it mean when we say sponges are sessile?

• They don't move.
• They live in the sea.
• They filter feed.
• They are poor swimmers.

The small pores in a sponge that water filters through are called ___________.

• Mesohyl
• Osculum
• Ostia
• Spicules

The part of the sponge highlighted in pink is known as the ______________.

• Spongocoel
• Mesohyl
• Osculum
• Ostia

Sponges can reproduce...

• Only asexually.
• Only sexually.
• Both asexually and sexually.

Tags

NGSS.MS-LS3-2

Organisms in Phylum Cnidaria and Phylum Ctenophora have what kind of symmetry?

• Asymmetry
• Bilateral 
• Radial
• Colateral

What trait gives jellies in the Phylum Ctenophora their common name? 

• Box shape
• Combs
• Tentacles
• Polyps

Which of the following is not a Class of Cnidarians?

• Hexactinellidae
• Anthozoa
• Scyphozoa
• Cubozoa

What kingdom do jellyfish belong to?

• Cnidaria
• Animalia 
• Scyphozoa
• Porifera