Anonymous
Anonymous asked in 教育與參考其他:教育 · 2 decades ago

名詞-動物

請問 動物這個名詞要怎麼解釋才好?(這個請務必幫忙詳加說明,最佳解答主選項)

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    2 decades ago
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    【動物】

    注音一式ㄉㄨㄥˋ ㄨˋ

    注音二式d

    圖片參考:http://140.111.34.46/dict/fonts/fea1.gif

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    解釋相對於植物的另一大類生物,這類生物多可自行攝食有機物以維生,有神經﹑感覺,並具運動能力。生存範圍遍及世界各處。

    1必為多細胞,異營,真核生物。

    2有肌肉,神經組織等可產生衝動的組織

    3沒有細胞壁。以組織蛋白連接細胞。

    4大部分為有性生殖。部分生物生活史有幼蟲階段,經完全或不完全變態成熟為

    成體。

    5有名為HOX的基因,可以控制動物身體各部位的分化。Animals are a major group of organisms, classified as the kingdom Animalia or Metazoa. In general they are multicellular,

    capable of locomotion and responsive to their environment, and feed by

    consuming other organisms. Their body plan becomes fixed as they

    develop, usually early on in their development as embryos, although some undergo a process of metamorphosis later on. Biologically, human beings fall under the animal kingdom.

    Kingdom Animalia has several characteristics that set it apart from other living things. First, animals are eukaryotic. This separates them from the Kingdom Monera. Second, animals are multicellular, which separates them from Kingdom Protista. Third, they are heterotrophic, setting them apart from Kingdom Plantae and several plant-like protists. Finally, Kingdom Animalia consists of organisms without cell walls, which makes it unique compared to Kingdom Plantae, algae, and Kingdom Fungi.

    Aristotle divided the living world between animals and plants, and this was followed by Carolus Linnaeus

    in the first hierarchial classification. Since then biologists have

    begun emphasizing evolutionary relationships, and so these groups have

    been restricted somewhat. For instance, microscopic protozoa were originally considered animals because they move, but are now treated separately. Colloquially, and in some religions, humans are considered separate from animals (on account of their unique abilities of speech and advanced thought or the view that they are the chosen representatives of deity), but they belong together by current biological and taxonomical standards. The name animal comes from the Latin word animal, of which animalia is the plural, and ultimately from anima, meaning vital breath or soul.

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