Sponges and Cnidarians

Animal cells do not have

• Cell walls

• Cell membranes

• Organelles

• Nuclei

Organisms with membrane bound cells

• Prokaryotic

• Eukaryotic

• Heterotrophic

Many small organisms move oxygen through their bodies by

• Muscular contraction

• Diffusion

• Cellular respiration

An organism with distinct left and right sides

• Asymmetrical

• Radially symmetrical

• Bilaterally symmetrical

A sponge can reproduce

• Sexually

• Asexually

• Both sexually and asexually

• Sponges don't reproduce

The function of flagella in sponges

• Move water through the sponge

• Help propel the sponge around the ocean

• Produce toxins

Younger, stationary version of a jellyfish

• Nematocyst

• Medusa

• Polyp

The medusa stage of a jellyfish reproduces how

• Asexually

• Sexually

• Jellyfish cannot reproduce at this stage of their life

Reproduction in jellyfish

• Internal

• External

Coral reefs occur in areas with

• High levels of fish

• High levels of salt

• High levels of sunlight