example phylum chordata of each classes
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Answers:Class Agnatha: (Lamprey and Hagfish) General Characteristics: Absence of jaws. These organisms lack the paired fins (pelvic and pectoral). Skeleton made of cartilage. Round eel-like body with a compressed caudal fin. Soft skin devoid of scales. They lack a swim bladder and gill covers (operculum). 7 gill slits on each side of the head. The lamprey are parasitic and the hagfish are scavengers. Ectothermic (animals that cannot control their body temperature). External fertilization. Oviparous (egg laying) Marine and fresh water species are found. Lateral line Two chambered heart Gills used for respiration No external ears No eye lids
Answers:There's the one Phylum - Chordata - notochord present at some time disappearing early in many forms, either temporary or permanent paired gill slits; dorsal nerve cord. The Vertebrates are one of four subphylums under Chordata. There are seven Classes that make up the vertebrate part of the subphylum Cyclostomata ( example: lamprey eel - no true jaws, scales or fins) Chondrichthyes (Examples-sharks, rays) Osteichthyes ( bony fishes ) Amphibia Reptilia Aves Mammalia
Answers:1. The correct word is "phyla," not "phylums." 2. You need to do your own homework. I would be happy to help with specific questions, but not an entire homework assignment.
Answers:Animalia:phylum porifera,cnideria,platyhelminthes,nematoda,annelida, and mollusca examples: hookworms,tapeworms, planarians,liver fluke,earthworms. Plantae:phylum bryophyta,hepaticophyta,anthcerophyta,lycophyta,and arthrophyta examples:club moss, quillwort,Boston fern, tree fern Fungi:phylum, zygomycota,ascomycota,basidiomycota and deuteromycota examples: penicillium,shelf fungi, puffballs, and mushrooms. Protista: Phylum Ciliophora,zoomastigina,sporozoa,sarcodina, and chrysophyta, also, chlorophyta and phaeophyta ( there are ALOT) Examples:Navicula,amoeba,paramecium Archaea:(sorry don't know this one) Examples: methanogens,thermoacidophilic bacteria, and salt-loving bacteria Eubacteria: (sorry don't know this one either) examples: blue-green bacteria,chemoautotrophs,prochlorobacteria, rickettsiae ------------------------------ Hope I helped a bit :D