Experiments in bees, crabs, and octopuses show that some invertebrate animals can learn from painful experiences, have positive and negative emotion-like states, and might even experience a range of ...

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.

Scientists from Scripps Institution of Oceanography descended thousands of meters where they likely discovered dozens of new animal species. Creatures flourish where methane gas seeps into the ocean ...

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

The study of the physiology and ecology of animals that don't have backbones, ranging from worms to sea stars, and of parasites, which can often provide insights into complex ecosystems. (Sea star ...

The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the chordates, to which vertebrates (animals with backbones ...