The document provides information about different types of invertebrate animals. It states that 97% of animal species are invertebrates, meaning they lack backbones. Invertebrates include sponges, jellyfish, worms, mollusks, arthropods, and insects. Arthropods make up the largest group and include spiders, centipedes, millipedes, crustaceans, and insects. Each group is described in one or two sentences, highlighting unique physical attributes and where they typically live.

1. 97 % of the
animal
kingdom is
made up of
invertebrates.

2. 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.

3. 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 oceans
The cannot move
They stink a lot

4. They have
tentacles
They have a mouth
They live on the
jellyfish
ocean floor
They shoot
poisonous darts
Sea anemone
coral

5. They can grow back
parts if they lose
parts. Flatworm
Some worms can
grow to 30 METERS
long
An earthworm has Roundworms
hairs on it to help it go
through the dirt!!!
Segmented

6. They have bodies with at least 5
sections
They have suction cup feet to walk
They use tubes to catch food to.

7. They live on land and octopus
fresh water and ocean
water.
They make shells from
minerals in the water.
Snail have a single shell
and a muscular foot.
snail
A clam has two shells
joined together.
squid

8. They have keen
sense organs.
They have joined
legs and
exoskeletons.
They have two or
more segmants.
Some of them
can fly.

9. A rth o p o d s
A r a c h n id s C e n t ip e d e s C ru s ta c e a n s In s e c ts
M illip e d e s

10. Spiders, mites
and ticks.
4 pairs of legs
Most live on land.
Some live in
fresh water.
They spin silk to
make traps for
prey.

11. Many body segments.
Live under rocks & dark
places.
Really have less than 100
millipede
legs.
Protect themselves by
curling up.
Millipedes have 4 legs on
each segment. centipede
Centipedes have 2 legs on
each segment.

12. They have five
pairs of legs.
They live near or
on the ocean floor.
Live on land and
water.
They have
antennae.

13. Largest group of
arthropods.
3 pairs of legs.
3 main body part
sections.
2 pairs of eyes.
Have mouths.