invertebrates
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Invertebrates
By:Stephen
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Sponges
No mouth, stomachs, or other organs
Most live in oceans Cannot move They stink a lot
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Invertebrates with Stinging Cells
They have tentacles They have a mouth They live on the
ocean floor They shoot poisonous
darts
jellyfish
Sea anemonecoral
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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
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Invertebrates with Spiny Skins
They have bodies with at least 5 sections
They have suction cup feet to walk They use tubes to catch food to.
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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
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ArthropodsThere are 4 groups
C ru s tace a ns A ra ch n ids In se c ts C e ntip ed esM illip e d es
A rtho po ds
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Arthopods
They have keen sense organs They have exoskeletons. They have two or more segments
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Crustaceans
They have five pairs of legs
They live near or on the ocean floor
Live on land and water
They have antennae
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Arachnids
Spiders mites and ticks.
4 pairs of legs Most live on land. Some live in fresh
water They are called
parasites.
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Insects
Largest group of arthropods
3 pairs of legs 3 main body part
sections 2 pairs of eyes Have mouths
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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