A new survey is offering a rare snapshot into current scientific thinking on animal emotions and consciousness.

Blob is a very simple invertebrate, just like worms or jellyfish. Over 96% of all the animal species on Earth are invertebrate. They can be tiny like an insect or huge like the giant squid.

In a strange episode in the animal kingdom, a captive marine animal merged with another of its kind to become a single ...

Professor Coulson said the invertebrates are unlikely to evolve into land-based animals because of their lack of a skeleton, ...

A survey of the phyla of invertebrate animals. Discussions include their physiology, development, morphology, behavior, ecology and adaptations. Corequisite: 81.308 ...

Blob is a very simple invertebrate, just like worms or jellyfish. Over 96% of all the animal species on Earth are invertebrate. They can be tiny like an insect or huge like the giant squid.