ION OF CLASSIFICATION OF NON-CHORDATES UPTO CLASSES WITH SALIENT FEATURES Vanramliana Pachhunga University College Aizawl‚ Mizoram 1. Phylum Porifera: From the Latin porus for pore and Ferre to bear‚ hence an animal with with pores. ~5000 species. Characteristic features:- a) Multicellular; no true tissue; asymmetric; sessile b) spongin- protein fibers for structure; spicules for skeleton c) filter feeders using collar cells (choanocytes) & amoebocytes
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To investigate the effect of different caffeine concentration on the heartbeat rate of Daphnia at room temperature. Introduction: Caffeine is found‚ and produced in many plant species to function as a natural pesticide‚ and as an inhibitor of seed germination of other nearby coffee seedlings to give it a better chance of survival. Caffeine is able to paralyze and kill certain insects upon feeding on the plants that produce caffeine. Coffee‚ tea and cocoa are common caffeine-containing
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Tifani Panek #546 Storyline for Video on Sponges -Sponges by Tifani Panek -What is a sponge? -When I say sponge‚ you may be thinking of... -Spongebob Squarepants -Or maybe even a synthetic cleaning sponge. But those are not the sponges I am talking about. -Sponges are simple‚ multicellular but beautiful filter-feeding animals. They are from the phylum porifera and are invertebrates that live in the bottom of the ocean and cannot move from their surface. -Sponges are also ancient creatures. 3
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Evaluation of Bisphenol A (BPA) Regulation Phase One Discussion Board Number Two: Main Response SCI101-1304A-07: Introduction to the Sciences Colorado Technical University 2011/09/20 More and more in the world today‚ there has been more advanced testing procedures becoming available in order to test products and their containers for unsafe materials that may exist. BPA is one of the substances that has been used in manufacturing processes of food and beverage containers for many years‚
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Protection and Wildlife Preservation in the western hemisphere signed by the U.S. on Oct. 12‚ 1940. (www.fws.gov/laws/lawsdigest/esact.html) Endangered Species do not only mean animals; there are also several plants‚ insects‚ birds‚ mammals‚ crustaceans and jelly fish‚ fish‚ sea anemones and coral‚ snails‚ and amphibians. The endangered species that I have chosen to research are native to either my state‚ Virginia‚ or my brother’s state‚ Maine. These endangered creatures are not only in the U
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------------------------------------------------- THE ANCIENT MINOANS The Minoans were an advanced civilisation‚ ready to take on the world. But their progressive empire was brought to a sudden end‚ their demise unknown to many archaeologists and scientists alike‚ UNTIL NOW. “The Minoan demise is hotly debated amongst the most reputable archaeologists and scientists’ of today” The Ancient Minoans were an advanced civilisation located on the island of Crete that was devastated firstly
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The Asiatic Lion (Panthera leo persica) is a subspecies of the lion which survives today only in the Gir Forest of Gujarat‚ India where it is also known as the Indian lion or Persian lion.[2][3] In 2005‚ the Gujarat government reported that 359 Asiatic lions were sighted in the Gir forest.[4] The Asiatic lion is one of the three major big cats found in India‚ other being the Bengal tiger and the Indian leopard.[5] The Asiatic lions once ranged from the Mediterranean to the north-eastern parts of
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Of the many fish of the sea‚ none is more interesting and unique than the seahorse. Seahorses are classified in the phylum Chordata‚ subphylum Vertebrata‚ class Osteichthyes‚ order Gasterosteiformes‚ family Syngnathidae‚ and the genus Hippocampus. The genus name Hippocampus comes from two Greek words; hippos meaning horse and campus meaning monster. Their physical appearance explains why they received their name. They have a horse-like head and a curled tail. They have developed many unique adaptations
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Ecotourism development in ASEAN one of breakthrough leap to bring ASEAN Vision into reality‚ charts a future direction for ASEAN as a concert of Southeast Asian nations‚ outward-looking‚ living in peace‚ stability and prosperity‚ bonded together in partnership in a just‚ democratic‚ and harmonious environment‚ dynamic development and ever-closer economic integration and in a community of caring societies‚ conscious of its ties of history‚ aware of its shared cultural heritage and bound by a common
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* Biology Investigation 3.1 Porcellio Scaber (Slater‚ Woodlouse) Task 1 The crustacean Porcellio Scaber‚ or more commonly known as the woodlouse‚ is a species usually found in leaf litter or in fallen trees and bark. It feeds on detritus like many other isopods of its type‚ and is generally predated on by small mammals‚ lizards and some insects. The woodlouse habitat reflects its need to avoid warm and dry areas. The woodlouse is prone to desiccation (drying out) due to its body’s large surface
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