For the five groups of vertebrates (birds, mammals, reptiles, amphibians and freshwater fishes) the loss of species currently identified as threatened by extinction by the International Union for ...

Save guides, add subjects and pick up where you left off with your BBC account. Vertebrates are animals that have a spine Vertebrates are animals that have a spine (backbone) inside their body.

The 2020 paper also indicated that this form of communication arose repeatedly and independently in most major vocalizing vertebrate groups, including birds, frogs and mammals—the opposite of ...

Lacking myelin, neurons in invertebrates are clustered into groups (ganglia) situated near the body structures they control or that provide sensory input. There are ganglia next to every swimming ...

The creature is thought to be the most primitive example of a so-called “deuterostome” – a broad biological category that encompasses a number of sub-groups, including the vertebrates.

However, records from these eras are patchy. This is because frogs are understudied in comparison with other vertebrate groups, with frog paleontology being an especially small field. This posed a ...

Research in our group investigates a number of questions central to understanding ... to generate the impressive morphological diversity of organs and tissues across vertebrates ? What are the ...

There are lots of vertebrates in the animal kingdom. Vertebrates are animals that have a backbone inside their body. The major groups include fish, amphibians, reptiles, birds and mammals.