Invertebrates

Sponges arthropods. Felicity

Sponges

Characteristics

- reproduce asexually

- can’t move once they attach as adults

- 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




Arthropods

-arthropods are insects

-often they seem to be pests

-arthropods pollinate

-some arthropods help farmers like the lady bug

-arthropods are a food source to most animals

-arthropods produce goods that can be sold

-fewer then one percent of arthropod species are harmful