Page 141 - DK Children's Encyclopedia

Invertebrates SEE ALSO

▸ ▸ Animal groups
p.22

Invertebrates are animals that don’t have backbones. ▸ ▸ Animal homes
They are divided into many smaller groups, such as p.23
insects and mollusks. Ninety-eight percent of all ▸ ▸ Habitats p.126

animals are invertebrates. ▸ ▸ Insects p.134

Antennae on the head ▸ ▸ Vertebrates
p.266
are used to “feel”
movement in the air.
Insects The hard shell
Insects have a tough outer Wings are protects the
covering. They have six legs attached to snail’s soft body.
and many can fly. the body.

Snail
Mollusks
Mollusks have soft bodies with no
skeleton and no legs. They live in
water or wet soil.
Front legs
catch smaller
Praying mantis insects to eat.
The body looks
like a dead leaf, to
make the mantis Earthworm
hard for other
animals to see. Worms can eat
their own body
weight in food Worms
in one day! Worms have long soft bodies with
no legs. Their bodies are split into
many parts, or segments.

Pincer claws

Venomous sting Hard outer
shell

Starfish

Suckers
underneath
help the
starfish cling
Scorpion Crab to rocks.
Arachnids Crustaceans Echinoderms
These animals have eight legs, not six Crustaceans have hard outer shells, These animals have bodies split into
like insects. Arachnids include spiders, and more than eight legs. Most of equal parts around a disk in their
scorpions, and mites. them live in water. middle. They all live in the sea.

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