7.Invertebrates with Stinging Cells
They have tentacles
They have a mouth
They live on the ocean floor
They shoot poisonous darts
jellyfish
Sea anemone
coral
10.Nematodes
Tube-like digestive tract
Roundworms!
Mouth and anus
No segmentation
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11.Worms
They can grow back parts if they lose parts.
Some worms can grow to 30 METERS long
An earthworm has hairs on it to help it go through the dirt!!!
Flatworm
Segmented
Roundworms
13.Invertebrates with Soft Bodies
They live on land and fresh water and ocean water.
They make shells from minerals in the water
Two shelled mollusks has a big foot to pull itself along
squid
snail
octopus
14.Annelids
Segmented worms
Common earthworm
Leech
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20.Arthopods
They have keen sense organs
They have exoskeletons.
They have two or more segments
21.Crustaceans
They have five pairs of legs
They live near or on the ocean floor
Live on land and water
They have antennae
22.Arachnids
Spiders mites and ticks.
4 pairs of legs
Most live on land.
Some live in fresh water
They are called parasites.
23.Insects
Largest group of arthropods
3 pairs of legs
3 main body part sections
2 pairs of eyes
Have mouths
24.Millipedes & Centipedes
Many body segments
Live under rocks & dark places
Really have less than 100 legs
Protects itself by curling up
Millipedes have 4 legs on each segment
Centipedes have 2 legs on each segment
millipede
centipede