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What are spineless creatures called?

What are spineless creatures called?

invertebrate, any animal that lacks a vertebral column, or backbone, in contrast to the cartilaginous or bony vertebrates. More than 90 percent of all living animal species are invertebrates.

What creatures have no bones?

Animals without backbones are called invertebrates. They range from well known animals such as jellyfish, corals, slugs, snails, mussels, octopuses, crabs, shrimps, spiders, butterflies and beetles to much less well known animals such as flatworms, tapeworms, siphunculids, sea-mats and ticks.

What are the 7 invertebrates groups?

The most familiar invertebrates include the Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca and Arthropoda.

What kind of animal does not have a backbone or spine?

invertebrate
Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group – they do not have a backbone.

What has a spine but no bones answer?

Explanation: A book has a spine to hold all the pages, but it has no bones.

What are animals with spines called?

An animal that has a backbone and skeletal system is called a vertebrate. Vertebrates are animals with backbones and skeletal systems. A backbone can also be called a spine, spinal column, or vertebral column. The individual bones that make up a backbone are called vertebrae.

What has keys but no door?

The answer to the social media puzzle is Keyboard. If you read the question carefully, you will notice that the keyboard has keys but no locks. It has space (space bar) but no rooms and you can enter (enter key) but you cannot go outside.

Which creature has prickly spines?

Today, spines or quills are found in four major groups of living mammals: hedgehogs (Erinaceomorpha: Erinaceidae, Erinaceinae), tenrecs (Afrosoricida: Tenrecidae, Tenrecinae), echidnas (Monotremata: Tachyglossidae), and rodents (Rodentia).

Which animal has sharp spines?

Hedgehog | National Geographic. Hedgehogs have a coat of stiff, sharp spines. If attacked they will curl into a prickly and unappetizing ball that deters most predators.

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