Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Tlie phylum Cnidaria or Coelenterata, includes the faliiiliar hydras, jelly fishes, sea anemones and corals. You have olreacly studied about Cnidarialis in Units 4 and 7 of LSE-09 course. These are often brilliantly colourcd. They exhibit radial symnietry, The Cnidarians possess two basic metazoall structural features. Onc, there is an intenla1 space for digestion, called in Cnidarinns as gastrovascular cavity. This cavity lies along the polar axis of the animal atid opens to tlie outside at one end to for111 noutli, Tlie presence of a mouth a~id digestive cavity permits the use of a mucll greater rnlige of food sizes than is possible in tlie protozoarls and sponges. Two, in Clidariails a circle of tentacles, representing exte~lsiolls of the body wall, surrounds tlie ~lioiltli to aid in tlie capture and ingestion of food. Tlie Cnidarian body wall consists of three basic layers: an outer lnycr of cpidennis, nn inner layer of elidoder~nal cells lining Ilie gastrovnscilar cavity, and between these two a layer called mesoglea. The rnesoglea ranges from n tliin, non cellilar membranc to a thick, fibrous, jelly-like, coid lnaterial with or without wanderillg a~noebocytes, A considerable number of different cell types compose tlie epidermis and gastrader~nis, but there is only a limited degree of organ development.
Structure of Blastula The structure of blastula turns into modified in several animal groups. The changes are related to the amount of yolk deposited in the egg, as you will s
Feeding Mechanisms of Animals All animals have evolved successful methods for extracting their required nutrition from the environment. Thus we find a diversity of feeding mec
Define Absorption, transport and Excretion of phosphorus? As you have seen that food contains both organic and inorganic phosphorus, but most of it is absorbed in its inorganic
Fowl spirochaetosis The causal agent Borrelia anserina is a spiral-shaped organism about 8-30 um in length but commonly 14-15 um long and 0-3 um wide. The organisms are activel
Bone Cells Bone cells may be divided into two broad classifications depending on whether they make bone or resorb it. Osteoblasts make bone, while Osteoclasts resorb or take aw
Aspergillosis Aspergillosis is the most common chronic, granulomatous, necrotizing and cavitary disease of lungs, and is characterized by formation of white yellowish caseous
Explain the Competitive behaviour of social animal group dominance behaviours removal of individuals to other groups which minimises inbreeding eg lions, apes.
steps of digestive system in amoeba,with a clear picture description
Q. List various type of insulin? Types of insulin: a) Rapid or Short acting b) Intermediate c) Combination d) Long acting
what is gene?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd