Invertebrates

All 8 phylums hour 7 Evan Mennen

Sponges

can’t move

- gets food from environment around it.

- between inner and outer layer there is a jelly-like layer

- grow at almost any depth

- grow on hard surfaces

- shaped like fingers, tree branches or round

- filters water to get its food

- 5000 known species

-no real digestive system


Adaptation - body is a network of tiny pores and canals that allow water to filter through to obtain food because they don’t move.


Worms

Cnidarians

Cnidarians

Ability to sting. Most live in sea water. They have radial symmetry. Shaped like umbrellas and sea anemones. Has a hollow pouch.