Arachnids
Mammals
Insects
Marsupials
100

The most famous arachnid

Spider

100

Presence of

Mammary glands

100

In term of bones they are

invertebrates

100

they belong to the group of 

mammals

200

Spiders are not

Insects

200

What covers their body

Hair and fut

200

It cover their body

exoskeleton

200

The most famous marsupial

Kangaroo

300

They have segmented

Bodies

300

Advanced species thar are mammals

Humans

300

They have something in where their young remains until they are ready, this something is called

pouch

400

Type of skeleton

Exoskeleton

400

They have more complex

brain

400

they have how many pair of legs

three

500

Group where they belong

Arthropods

500

Main body parts

head, thorax, abdomen
500

They have very short

gestation period