2018年5月18日 · Animalia (Metazoa) Multicellular organisms that develop from embryos; one of the three kingdoms of multicellular organisms (the other two being Fungi and Plantae). The kingdom includes all animals other than protozoons (some of which are colonial); Porifera (sponges) are sometimes excluded because their structure differs markedly from that of ...

2018年5月9日 · Animal Animals are creatures in the kingdom Animalia, one of the five major divisions of organisms. They are multicelled, eukaryotic (pronounced yookar-ee-AH-tik) organisms, meaning their cells contain nuclei and other structures called organelles, all of which are enclosed by thin membranes.

2018年5月18日 · Today's Animalia, also called the Metazoa, differs from the Animalia of Linnaeus in that it does not include any of the animal-like unicellular eukaryotes, commonly termed the Protozoa, which are now grouped in the Protista. Multicellularity evolved in the Protista a …

2018年5月23日 · Porifera (Spongiaria, sponges) A phylum of multicellular animals that are not included in the Animalia. Sponges are sessile, benthic, filter feeders with a bag-like body, a central cavity, and an outer surface pierced with tiny openings (ostia), through which water enters, and an upper, larger opening (osculum), through which it leaves.

2018年6月8日 · Chordata (kingdom Animalia) A large phylum comprising the animals that possess a rod of flexible tissue , which is protected in higher forms by a vertebral column. The phylum includes Urochordata (tunicates), Amphioxus, fish, …

2018年6月11日 · gecko (gĕk´ō), small or medium-sized lizard of the family Gekkonidae. Some 1,500 species are distributed throughout the warm regions of the world, mostly in the Old World.

2018年6月11日 · The number of insect species is greater than the number of all other species of organisms combined. It is estimated that there are about 200 million insects for every living human. Insects are members of the kingdom Animalia, the phylum Arthropoda, and the class Insecta. Insects share the major group Arthropoda with creatures such as crabs ...

2018年6月8日 · Cnidaria. Cnidaria is one of the more primitive animal phyla. It includes aquatic organisms such as jellyfish, sea anemones, corals, and hydras.

2018年6月27日 · Other eukaryotic kingdoms — the Plantae, Fungi, and Animalia — are each believed to be monophyletic. That is, all plants evolved from one ancestral plant, all animals from one ancestral animal, and all fungi from one ancestral fungus.

2018年6月11日 · Rigor Mortis. Rigor mortis, from the Latin for “ stiffness of death ” is the rigidity that develops in a body after death.