News tagged with animals

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

Why a little dirt is good for us

Keeping the house spotless is impossible with a dog, two cats, grass-clotted soccer cleats and mud-crusted work boots. So, I was thrilled to learn from some of our researchers at the veterinary school that a little dirt ...

Oct 06, 2017
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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.

This text uses material from Wikipedia, licensed under CC BY-SA

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