The Facts …
•Body symmetry-
•Reproduction•Movement-
Asymmetrical
Asexually and Sexually
stationary
•Food- snags food from water which passes through
them
 If you were to take a living sponge and were to SMASH
it through a screen, break it apart…what happens to
the cells?
 Remember – EACH CELL contains all of the organelles
needed to create a living organism: nucleus,
mitochondria, vacuole, cell membrane, ribosomes, ER,
Chromosomes, nuclear membrane, lysosomes, golgi
bodies
WRITE YOUR RESPONSE ON YOUR PAPER!
After destroying the structure of
the sponge 
Several hours later 
 http://www.youtube.com/watch?v=KOFFzXNYJG0&fe
ature=related
•Porifera in Greek means “having pores”
•The body of a sponge is covered in pores… These
allow the sponges to take in FOOD such as
plankton as well as OXYGEN.
•Collar cells aka Choanocytes
•Sponges don’t have bones, yet they are still hard.
Sponges have tiny SPICULES that act as skeletons.
Choaocyte
or
‘collar cell’
Water goes OUT
through the
Osculum
Water goes IN
through thepores
Nemo is in Danger!!
The coral reef is in danger! Although some parts of the
coral reef is as hard as a rock, the ecosystem is very
delicate. If things like scuba divers or boat anchors
touch the coral it can damage to the reef and destroy many
animals’ niches.