There is mounting evidence that even surprisingly simple animals, like invertebrates, have a level of consciousness - but not in the way you might think ...

Invertebrates, which constitute over 95% of all animal species, are the unheralded engine underpinning Earth’s biodiversity and ecosystem functioning. Their astonishing diversity – ranging ...

Vital invertebrates decline by 45 per cent, study finds Decline in insect, worm and other populations will affect our health, water quality and food supply ...

Among living invertebrates, scientists have identified certain groups as being closer to us than to other invertebrates. The biggest group are echinoderms, which include starfish.

Invertebrates (the collective term for animals without bones) account for more than 95 percent of all Earth animals. We, and anything structured remotely like us, are in the zoological minority.

Animals that don't have a backbone are called invertebrates. Find out more in this Bitesize Primary KS2 Science guide.

What is a bryozoan? According to the National History Museum, the bryozoan is a large phylum in the animal kingdom that can contain over 6,500 species of invertebrate animals, also known as zooids.

Cuttlefish, jellyfish and starfish aren't fish — they're all invertebrates (animals without backbones) and are described respectively as mollusks, gelatinous zooplankton and echinoderms.