charateristic of chordata\nuse of chordata\nkind of chordata
212601
Chordata are the animals which bear NOTOCHORD during their embryonic stage which works as a brain for them.
622643
Great question!\n\nFish have what we might call the "beginning" of a cortex.  Non-vertebrate chordates do not.  It should be noted that cephlopods have a nervous system that rivals a cortex (certainly surpasses that of fish).
272771
While some extant species of Caminalcules show clear vestigial features, these same features are not vestigial in all of the Caminalcules.\n\nIn some lineages, the structures have become modified into functional structures, or remain in the ancestral (primitive) state.  \n\nWhich of the fourteen extant species or fifty-seven fossil species of Caminalcules are you referring to?  Without comparing those species to the other species or fossil forms it is impossible to determine which structures are vestigial.
577112
I would do something like this:\n\n* Similarities and differences among living organisms\n(For example, the characteristics of life, cells, comparing single and multicellular organisms)\n*Homeostasis in living things\n(Basic biochemical processes, Feedback systems, Disease)\n*Genetics\n(Heredity, Genes)\n*Reproduction and development\n(Cell division, reproduction among organisms)\n*Evolution\n(Theories)\n*Ecology\n(Interaction between organisms and their environments, energy flow)\n\nThese are just a few ideas.
31928
You are WAY OFF there on your description of the animal phylums.  Their are MANY phylums of invertabrates.  And vertebrates are a SUB-phylum of the phulum Chordata.\n\nAs for your plant question, the short answer is NONE.  The plant kingdom is divided into Divisions (not phylums). The VASCULAR plants are (usually) grouped into 16 divisions (11 extant, 5 extinct).  I wont even try at orders and classes - that information changes too often.
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The University of Michigan Museum of Zoology:\n\nhttp://animaldiversity.ummz.umich.edu/site/accounts/information/Carcharodon_carcharias.html
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If you go to the Tree of Life WWW page at the level Arthropod (Phylum), you will see that cockroaches are insects (Class Hexapoda) and lobsters are decapod crustaceans (Class Crustacea); they are two groups in the same phylum, URL:\n \nTree of Life (at Arthropoda level) - http://tolweb.org/tree?group=Arthropoda&contgroup=Bilateria\n \nYou can move up the tree to see how arthropods are related to other animals.\n \nBeyond classification which should reflect the lobster and cockroach evolutionary relationship, the term 'roaches of the sea' reflects the behavior of lobsters as omnivorous scavengers.   Cockroaches will eat almost anything organic and so will lobsters.   They clean up the dead and dying plants and animals in their environment.\n \nSo much for the delicious taste of lobster?
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Chelicerata - \n\nA subphylum of the phylum Arthropoda. The Chelicerata can be defined as those ** arthropods with the anteriormost appendages as a pair of small pincers (chelicerae) followed usually by pedipalps and four pairs of walking legs, and with the body divided into two parts: the prosoma (corresponding approximately to the cephalothorax of many crustaceans) and the opisthosoma (or abdomen). There are never antennae or mandibles (lateral jaws). **  The Chelicerata comprise three classes: the enormous group Arachnida (spiders, ticks, mites, scorpions, and related forms); the Pycnogonida (sea spiders or nobody-crabs); and the Merostomata (including the Xiphosurida or horseshoe crabs). See also Arachnida; Merostomata; Pycnogonida; Xiphosurida.\n\nBoth Merostomata and Pycnogonida are marine, but the enormous numbers and varied forms of the Arachnida are almost entirely terrestrial. The respiratory structures of chelicerates include gills, book-lungs, and tracheae. Sexes are normally separate, with genital openings at the anterior end of the opisthosoma. Some mites and other small chelicerates are omnivorous scavengers, but the majority of species of larger chelicerates are predaceous carnivores at relatively high trophic levels in their particular ecotopes. See also Arthropoda.\n\nMandibulata\n\nA subphylum of the phylum Arthropoda in the long-established classification scheme which comprises three groups at subphylum level; it is almost certainly not a natural assemblage. Mandibulata, *** defined as those arthropods possessing mandibles (lateral jaws) and antennae, ***  includes the six classes Insecta, Chilopoda, Diplopoda, Symphyla, Pauropoda, and Crustacea. In fact, neither in their development nor in their functional morphology are the mandibles of crustaceans homologous with the mandibles of insects. The available fossil evidence for primitive crustaceans also supports a different phyletic origin for these appendages. In addition, insects have a single pair of antennae, while crustaceans have two pairs. See also Arthropoda; Chilopoda; Crustacea; Diplopoda; Insecta; Pauropoda; Symphyla.
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There are several lines which scientist use to prove that evolution is occurring which are embryology, palaeontology, evidence from similar anatomy\nIn case of Palaeontology this is the study of remains of past living organisms. In this case the remains are dug and they show a change from the top going down the earth's crust In this study at the top of the earth's crust the remains of organisms found are complex but going down deeper simple remains of organisms are found this suggest that organism are changing from simple form into complex forms.\nAnother thing that is observed are the remains of certain organism which don't exist by the time and remains of organisms which were not in the inner parts suggest that new species are formed
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phyllum : chordata\nclass : mammalia\norder : rodentia\nsuborder: sciurognathi\nfamily : muridae\nsubfamily: murinae\nsubspecies : Rattus rattus rattus\ncommon name : black rat, ship rat.\nother subspecies : Rattus rattus alexandrinus (Alexandria black rat), Rattus rattus brevicaudatus (Sawah rat), Rattus rattus diardii (Malayan black rat), Rattus rattus frugivorous (fruit rat).
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Order - Chordodea\nFamily - Chordodidae
130994
First you need to know what phyla of invertebrates you will include. Then, get at least a picture that represents each one, and start by separating them into large categories using a visible feature. Then separate each of the major groups into smaller ones. \nRepeat this, and write down each step of this process. Then order your notes and add numbers to go from one alternative to the next... voilà the dichotomous key.\n\n\n\nAlternatively, if you want a ready-made one, try these resources:\nhttp://www.msc.ucla.edu/oceanglobe/pdf/Invertebrates/Inverts_Key_Phyla.pdf\nhttp://www.bio.davidson.edu/courses/invertzool/lab/ex1taxonomy.pdf\n\nIf you do it yourself it's more fun :-)
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Its the bird group, your daughter is correct. I know it is confusing, because  it seems so simple. But they group animals by bird, mamal, reptile, amphibian, insect in 2nd grade, so Bird is correct.
16011
Kingdom: Animalia\nPhylum: Arthropoda\nClass: Insecta\nOrder: Orthoptera\nSuborder: Caelifera\nFamily :    \n* Acrididae (grasshoppers and short-horned grasshoppers)\n    * Eumastacidae (monkey grasshoppers)\n    * Tanaoceridae (tanaocerids)\n    * Tetrigidae (grouse locusts, pygmy grasshoppers, and pygmy locusts)\n    * Tridactylidae (pygmy mole crickets)\n\nThe most important family is Acrididae, consisting of about 10,000 species.
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Fish are members of the Animalia Kingdom (animals) and are also classified into the Phylum Chordata.  In order to be a chordate an animal must have a notochord (a slim and flexible rod that supports the body) at some point in their lives; have a tubular nerve chord along their back (dorsal surface) with the brain developing from a swelling found at the anterior end (front) of this tube; paired gill slits at some stage of their life history; segmentation of at least part of their body; a post-anal tail at some stage in their life history; a ventral heart; and an endoskeleton (Arms & Camp, 1979).  \n\nFish are further classified into the Vertebrata Subphylum.  In order to be a vertebrate, an animal must have a vertebral column, or backbone.  This backbone encloses, supports and protects the spinal cord.  Fish are vertebrates that live in water and breathe with gills.  Fish are ectotherms, or cold-blooded.  Fish have either backbones of cartilage or bone.  Most fish are adapted to live in salt or fresh water.  Most fish have fins and scales, which cover and protect the body.  The body systems of the fish, such as the digestive, circulatory, etc. are well developed.  The fish are further classified into three classes.  These classes are the Agnatha, jawless fish such as the hagfish and lampreys; the Chrondrichthyes, fish whose skeleton is made of cartilage such as sharks, rays and skates; and the Osteichthyes, fish whose skeleton is composed mostly of bone such as bass, perch, catfish, and flounder.  There are approximately 50 species of jawless fish, 600 species of cartilaginous fish and more than 30,000 species of bony fish.  The bony fish, Osteichthyes, are then further classified into two main groups called the ray-finned group (e.g., perch, and catfish) and the lobe-finned group (e.g., lungfish).  Most bony fish belong to the “ray-finned” group.  There are approximately 70 fish orders known to biologists.
30215
Order:......Suborders\nGelisols > Histels, Turbels, Orthels \nHistisols > Folists, Fibrists, Saprists, Hemists\nSpodisols > Aquods, Gelods, Cryods, Humods, Orthods\nAndisols > Aquands, Gelands, Cryands, Torrands, Xerands Vitrands, Ustands, Udands\nOxisols > Aquox, Torrox, Ustox, Perox, Udox\nVertisols > Aquerts, Cryerts, Xererts, Torrerts, Usterts, Uderts\nAridisols > Cryids, Salids, Durids, Gypsids, Argids, Calcids, Cambids\nUltisols > Aquults, Humults, Udults, Ustults, Xerults\nMollisols > Albolls, Aquolls, Rendolls, Gelolls, Cryolls, Xerolls, Ustolls, Udolls\nAlfisols > Aqualfs, Cryalfs, Udalfs, Ustalfs, Xeralfs\nInceptisols > Aquepts, Anthrepts, Gelepts, Cryepts, Ustepts, Xerepts, Udepts\nEntisols > Aquents, Arents, Psamments, Fluvents, Orthents
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IFu are very much intreasted in studying that spider then take a book of PHYLUM ARTHROPODA  in invertebrate classification \nand identify the feautures like spines legs