A team of researchers has outlined a new approach for better understanding the depths of animal consciousness, a method that ...

A look at the strongest, biggest, most numerous, and just weirdest dental situations on the planet.

A team of researchers has outlined a new approach for better understanding the depths of animal consciousness, a method that may yield new insights ...

But not all scientists agree that invertebrates feel anything analogous to vertebrate—much less human—emotion. Frans de Waal, a primatologist and animal behaviorist at Emory University, and Kristin ...

Vertebrates are animals that have a backbone inside their body. The major groups include fish, amphibians, reptiles, birds and mammals. Invertebrates don't have a backbone. They either have a soft ...

Animals with a backbone are called vertebrates. Animals without a backbone are called invertebrates. Vertebrates and invertebrates can be sorted into smaller groups. Vertebrates, for example ...

Animals are classified in a variety of ways. Basically, they are divided by being vertebrates (most having a backbone) and ...

With over 20 quintillion animals on planet Earth, there is always something new to learn about and explore. Let's start with ...

uterine and smooth), from lower classes within the vertebrate phylum (amphibian, fish and cyclostome) and from representatives of different invertebrate phyla (arthropod, mollusc, echinoderm ...

Figure 2: Relationships among animal phyla and subphyla with ... and function of immune cells in jawless vertebrates and closely related invertebrates have elucidated, and continue to elucidate ...