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metazoa

n. 后生动物

後生动物

WordNet (r) 3.0 (2006) (WordNet)

Metazoa
n 1: multicellular animals having cells differentiated into
tissues and organs and usually a digestive cavity and
nervous system [synonym: {Metazoa}, {subkingdom Metazoa}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Metazoa \Met`a*zo"a\, n. pl. [NL., fr. Gr. ? after zo^,on an
animal.] (Zool.)
Those animals in which the protoplasmic mass, constituting
the egg, is converted into a multitude of cells, which are
metamorphosed into the tissues of the body. A central cavity
is commonly developed, and the cells around it are at first
arranged in two layers, -- the ectoderm and endoderm. The
group comprises nearly all animals except the Protozoa.
[1913 Webster]

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Metazooa
The animal kingdom (Metazoa, in Greek) is full of our distant relatives some more distant than others! Metazooa is a game that tests how well you know our extended family tree Your goal is to figure out today's Mystery Animal in as few guesses as possible
Animal - Wikipedia
In 1874, Ernst Haeckel divided the animal kingdom into the multicellular Metazoa (now synonymous with Animalia) and the Protozoa, single-celled organisms no longer considered animals
Metazoa | animal | Britannica
…origin of multicellular animals (metazoans) was long dominated by German embryologist Ernst Haeckel’s theory that the original metazoan ancestor was a spherical protozoan that was structurally similar to the cnidarians (e g , jellyfish and corals) Currently there are two alternative explanations The first traces metazoans back to
The origin of Metazoa: a unicellular perspective - Nature
Here, we review the results of these investigations and discuss their implications for understanding the earliest stages of animal evolution, including the origin of metazoan genes and genome
Ensembl Metazoa
Ensembl Metazoa is a genome-centric portal for metazoan species of scientific interest
What is the Difference Between Protozoa and Metazoa
Protozoa refers to a group of phyla which comprises the single-celled microscopic organisms, belonging to the kingdom Protista while Metazoa refers to a major division of the animal kingdom that comprises all animals other than protozoans and sponges
Home - Metazoa
Hay is not just hay: Hay to You and Metazoa provide the foundation for truly natural feeding Natural nutrition for a healthy and happy horse Grain-free, low in sugar, and tailored to your horse’s true needs
Whats On Tap | Metazoa Brewing Co.
Metazoa Brewing Co cans can be found in most major liquor store chains around greater Indianapolis and other larger cities around the state We also work with a number of restaurants and brewpubs to serve Metazoa beer on tap
Metazooa Live
Identify trees, insects, birds, mammals, flowers, and fungi to build your personal phylogenetic tree through a nature scavenger hunt

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