Animals are multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa). Animalia emerged as basal apoikozoan clade as sister of the Choanoflagellates. The porifera emerged as a basal clade in animalia. Animals are motile, meaning they can move spontaneously and independently at some point in their lives. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their lives. All animals are heterotrophs: they must ingest other organisms or their products for sustenance. iphone ringtones
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Animals are multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa). Animalia emerged as basal apoikozoan clade as sister of the Choanoflagellates. The porifera emerged as a basal clade in animalia. Animals are motile, meaning they can move spontaneously and independently at some point in their lives. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their lives. All animals are heterotrophs: they must ingest other organisms or their products for sustenance.
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