{"product_id":"modern-textbook-of-zoology-invertebrates","title":"Modern Textbook of Zoology - Invertebrates","description":"\u003cp\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Kotpal R.L\u003c\/p\u003e\u003cp\u003e\u003cb\u003eEdition:\u003c\/b\u003e 2016\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBinding:\u003c\/b\u003e paperback\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRelease Date:\u003c\/b\u003e 01-12-2014\u003c\/p\u003e\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e Zoology textbook xplains on invertebrates, types of species \u0026amp; their characteristics with examples \u0026amp; pictures . The term invertebrates is not always precise among non-biologists since it does not accurately describe a taxon in the same way that Arthropoda, Vertebrata or Manidae do. Each of these terms describes a valid taxon, phylum, subphylum or family. \"Invertebrata\" is a term of convenience, not a taxon; it has very little circumscriptional significance except within the Chordata. The Vertebrata as a subphylum comprises such a small proportion of the Metazoa that to speak of the kingdom Animalia in terms of \"Vertebrata\" and \"Invertebrata\" has limited practicality. In the more formal taxonomy of Animalia other attributes that logically should precede the presence or absence of the vertebral column in constructing a cladogram, for example, the presence of a notochord. That would at least circumscribe the Chordata. However, even the notochord would be a less fundamental criterion than aspects of embryological development and symmetryor perhaps bauplan.\u003cbr\u003e\nInvertebrates don't have a skeleton of bone, either internal or external. They include hugely varied body plans. Many have fluid-filled, hydrostatic skeletons, like jellyfish or worms. Others have hard exoskeletons, outer shells like those of insects and crustaceans. The most familiar invertebrates include the Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca and Arthropoda. Arthropoda include insects, crustaceans and arachnids.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eEAN:\u003c\/b\u003e 9789350780404\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePackage Dimensions:\u003c\/b\u003e 9.7 x 7.2 x 1.6 inches\u003c\/p\u003e\u003cp\u003e\u003cb\u003eLanguages:\u003c\/b\u003e English\u003c\/p\u003e","brand":"Retail Maharaj","offers":[{"title":"Default Title","offer_id":51306694705456,"sku":"UDH_9789350780404","price":694.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9968\/4144\/files\/718z2T7Jx0L_b3bd019d-6a1f-4e57-a699-784ce1b82686.jpg?v=1775580480","url":"https:\/\/www.retailmaharaj.com\/bn\/products\/modern-textbook-of-zoology-invertebrates","provider":"Retail Maharaj","version":"1.0","type":"link"}