Question

1. The animals of this group do not have a backbone.
2. The animals of this group have millions of tiny holes in
their bodies.
3. Starfish is not a fish but belongs to this group.
4. Animals with lovely shells like oysters, mussels,
cuttlefish and snails that line the seashore belong to this
group.
5. These vertebrates have a two-chambered heart.
6. These animals have hollow bones filled with air.
7. These animals have milk-producing mammary glands
hair on the body, sweat glands, external ear and
diaphragm​

Answer 1

Answer:

1 . snake is not have a backbone

Answer 2

Answer:

1. spider, insects, earthwarm.
2. lizards, crocodiles.
3. star fish is related to sea urchins, sea cucumber
4. gastropoda
5. barosarous.
6. bones are filled with bone marrow.
7. bat

Explanation:

please mark me as brain list