Related topics: plants · species · birds · offspring · insects

Global warming hits sea creatures hardest

Global warming has caused twice as many ocean-dwelling species as land-dwelling species to disappear from their habitats, a unique Rutgers-led study found.

DNA gives insight into prehistoric bonds between dogs and humans

Domestic dogs come in all shapes and sizes, but the animals we now regard as man's best friend may have originated from just two populations of wolves, research suggests. The findings, along with studies on other domesticated ...

Simple sea anemones not so simple after all

The tube-dwelling anemone is an ancient sea creature that resembles a prehistoric flower. The animals live slow, long and predictable lifestyles and look fairly similar from species to species.

Good mousekeeping: En suite bathroom makes for happier mice

Mice have a strong preference to nest away from their own waste and should be housed in a system of cages that allows them to create a toilet area, according to work led by researchers at the University of British Columbia.

Group decisions: When more information isn't necessarily better

In nature, group decisions are often a matter of life or death. At first glance, the way certain groups of animals like minnows branch off into smaller sub-groups might seem counterproductive to their survival. After all, ...

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Animal

Animals are a major group of mostly multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously and independently. Most animals are also heterotrophs, meaning they must ingest other organisms for sustenance.

Most known animal phyla appeared in the fossil record as marine species during the Cambrian explosion, about 542 million years ago.

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