97% of animal species are invertebrates, meaning they lack backbones. Invertebrates can be found everywhere and have a variety of protective body coverings from exoskeletons to soft skin. They display an enormous diversity of forms including arthropods like insects and spiders, worms, jellyfish, corals, mollusks like snails and octopuses, and even sponges which are fixed in one place. Invertebrates make up the majority of animal life on Earth and play important roles in most ecosystems.
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Invertebrates modificado
1. 97 % of the
animal
kingdom is
made up of
invertebrates.
2. Invertebrates are animals
that
do not have backbones.
They can be found
everywhere.
Some invertebrates have an
exoskeleton or a shell to
protect their bodies, but
some invertebrates just have
a soft body.
6. Spiders, mites and
ticks.
4 pairs of legs
Their body is
divided into two
parts: head and
abdomen
Most live on land.
Some live in fresh
water.
They spin silk to
make traps for prey.
(spider web)
SPIDER
MITES
(ácaros)
TICKS
(garrapatas)
7. They have five
pairs of legs.
They live near or
on the ocean floor.
They live on land
and in water.
They have
antennae.
8. Many body segments.
They live under rocks & dark
places.
They have many legs.
They protect themselves by
curling up.
Millipedes have 4 legs on
each segment.
Centipedes have 2 legs on
each segment.
millipede
centipede
9. They look like plants but
they are animals.
Sponges stay fixed in
one place. They cannot
move.
They have no mouth,
stomachs, or other
organs
Most live in oceans
They stink a lot
10. They have tentacles
They have a mouth
Some are poisonous.
In warm water corals
can grow and even
make islands.
jellyfish
Sea anemone
coral
11. They have bodies with at least 5
sections
They have many feet feet to walk
along the ocean
They use tubes to catch food.
12. They can grow back
parts if they lose
them.
Some worms can
grow up to 30
METERS in length.
Earthworms have got
hairs to help them go
through the dirt!!!
Flatworm
Segmented
Roundworms
13. They live on land and
in fresh or salt water.
All molluscs have
soft muscular boides
Nearly all molluscs
have a shell.
Snails have a single
shell and a muscular
foot.
A clam has two
shells joined together.
squid
snail
Octopus
No shell
Snail – 1 shell
Clam – 2 shells
Internal shell