Invertebrates 100409123006-phpapp01
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97 % of the animal kingdom is made up of invertebrates.
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Invertebrates are animals that do not have backbones.Some can be found in ponds,
oceans, and other water environments.
Insects and some other invertebrates have exoskeletons. An exoskeleton is a hard outer covering that protects an animal’s body and gives it support.
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They look like plants but they are animals.
Sponges stay fixed in one place.
They have no mouth, stomachs, or other organs
Most live in oceansThe cannot moveThey stink a lot
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They have tentaclesThey have a mouthThey live on the
ocean floorThey shoot
poisonous darts
jellyfish
Sea anemonecoral
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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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They have bodies with at least 5 sections
They have suction cup feet to walkThey use tubes to catch food to.
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They live on land and fresh water and ocean water.
They make shells from minerals in the water.
Snail have a single shell and a muscular foot.
A clam has two shells joined together.
squid
snail
octopus
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They have keen sense organs.
They have joined legs and exoskeletons.
They have two or more segmants.
Some of them can fly.
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A ra ch n ids C e ntip ed esM illip e d es
C ru s tace a ns In se c ts
A rtho po ds
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Spiders, mites and ticks.
4 pairs of legsMost live on land.Some live in fresh
water.They spin silk to
make traps for prey.
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Many body segments.Live under rocks & dark places.Really have less than 100 legs.Protect themselves by curling
up.Millipedes have 4 legs on each
segment.Centipedes have 2 legs on
each segment.
millipede
centipede
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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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Largest group of arthropods.
3 pairs of legs.3 main body part
sections.2 pairs of eyes.Have mouths.