What percentage of the creatures of earth do not have a backbone?

About 95% of all animal species on Earth do not possess a backbone.

97%of animals are invertebrates.And they don't have backbone. Invertebrate are those whoo don't have backbone.LIKE SPIDERS OR YOU CAN SAY INSECTS.

Insects alone make up well over half of all species in the world. I'd say about 60-90% don't have a backbone. Hard to answer, really, because we've only discovered about 10% of all species on the planet. Chuis

An earthworm does not have a backbone.

Slugs do not have a backbone. Other creatures without a backbone include insects, snails, clams, spiders, and sea urchins, to name a few.

mollusk are creatures without a backbone invertebrates animals

No, they are invertebrates (no backbone), and mollusca (shell bearing creatures).

Invertebrates are creatures with no backbone. Instead they might have an exoskeleton.

Insects are the only creatures without backbones. The rest of the other animals in other animal classification all have a backbone.

Tadpoles are small and tiny creatures who grow up to become frogs. Their body has a rib cage support and therefore, they do have a backbone.

No. They are invertebrates (no-backbone creatures) and they have an exoskeleton, which is an outer shell that is rigid enough to hold all the inner parts in their proper places. They have no bones.

There are three nouns in this sentence. They are: animals, creatures, and earth.

Yes a sea horse is a vertebrate. It has a backbone. They are the shyest sea creatures alive.

Octopi, squids, slugs, and many other sea creatures.

Earthworms are invertebrates so they don't have a backbone, or any other bones for that matter.

Only if you are referring to earth as a percentage of earth, then earth is 100% of earth

No they don't. e.g. invertebrates

So far, no creatures have been confirmed on any planet, other than Earth. So far, no creatures have been confirmed on any planet, other than Earth. So far, no creatures have been confirmed on any planet, other than Earth. So far, no creatures have been confirmed on any planet, other than Earth.

Invertebrates do not have a backbone, which is a spine. Creatures like insects, worms, snails, squid, and octopus are invertebrates.

The creatures of the Earth.

over 90% of earth creatures have six legs

Probably the Giant Squid.

penguins are not sea creatures because they just find food in the sea and they live on earth so no there not sea creatures

Dragons are mythical creatures so there are none on Earth.

Invertebrates are creatures that have no backbone. Creatures such as slugs, jellyfish, spiders, worms and most bugs and insects are the type of creatures that can survive without a spine. I am uncertain if there are some other types of sea creatures that are spineless, but most fish have bones.