Invertebrates

Invertebrates

1. Annelids

   • characteristics
     • some live sea
     • soft body
     • important earthworm
     • divided segments
     • long body
   • examples
     • Earthworms
     • Leeches

2. sponges

   • examples
     • The Agelas conifera
     • the Brown Tube Sponge
   • characteristics
     • oxygen and food from hole
     • long soft body
     • covered little holes
     • stay on seabed
     • live in the seabed

3. jellyfish

   • characteristics
     • mouth and anus
     • hole under the umbrella
     • live sea
     • soft body
     • often long tentacles
   • examples
     • Pacific sea nettle.
     • Lion's Mane

4. molluscs

   • examples
     • mussels and octopus
     • snails
   • characteristics
     • hard shell
     • soft muscular body
     • live in the sea and land
     • muscular body
     • most live in the sea

5. echinoderms

   • examples
     • sea stars
     • starfish
   • characteristics
     • live sea
     • often brightly
     • hard skin or spike
     • five to 40 arms
     • protected predators

6. Arthrospod

   • Examples
     • horseshoe crabs, spiders
     • scorpions, sea spider
   • characteristics
     • Almost all are arthropods
     • protective exoskeleton
     • live in everyixhere
     • head ,thorax and abdomen
     • biggets group insects