* Are made of animal cells * No cell walls * Eukaryotic. Lysosomes‚ centrioles. Flagella‚ cilia * Multicellular * Heterotrophic * Chemotrophic * They are either: 1. Invertebrates * Have no back bone 2. Vertebrates Things to classify Animals: 1. Feeding 2. Respiration 3. Internal Transport 4. Excretion 5. Response 6. Movement 7. Reproduction Phylum Porifera * The flagella move water into the sponge * Cells collect
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Chapter 32/33: Invertebrates Name _______________________ Period ___________ Date ____________________ NONCOELOMATE INVERTEBRATES (CH 32) Sponges are basal animals that lack true tissues 1. Sponges are in the phylum Porifera. This group is now known to be polyphyletic‚ and all sponges belong to either phylum Calcarea or phylum Silicea. They are the simplest animals and lack true tissues. Label the following: pores‚ spongocoel‚ epidermis‚ amoebocytes‚ choanocyte‚ flagellum‚ spicules
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Phylum Annelida General Information * "Segmented worms" * ----Include about 15‚000 species. * Example: Earthworms‚ leeches‚ clam worms. * They all have segmented body divided by septa. * Septa * walls of tissue. * These organisms contain Bristols called Satae. * Satae * They use setae to move‚ burrow‚ swim (clam works). * These are worldwide organisms. * These are Detrivore * They feed on dead organic material all the way to parasites.
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Phylum nematode Characteristics of Nematoda:- 1)Bilaterally symmetrical‚ and vermiform. 2) Body has more than two cell layers‚ tissues and organs. 3) Body cavity is a pseudocoel‚ body fluid under high pressure. 4) Body possesses a through gut with a subterminal anus. 5) Body covered in a complex cuticle. 6) Has a nervous system with pharyngeal nerve ring. 7) Has no circulatory system (no blood system) 8) Reproduction normally sexual and gonochoristic. 9) feed on just about everything
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An adult hermaphrodite of C. elegans has the lesser amount of internal tissues and organs with unsegmented‚ bilaterally symmetrical‚ a cylinder-shaped body that is pointed at the ends. It has an outer covering (i.e.‚ body wall made up of cuticle‚ hypodermis‚ neurons‚ muscles and excretory and an inner tube contains the pharynx‚ intestine. An outer tube and an inner tube is partitioned by pseudocoelomic space and also the tissues controlled by an osmoregulatory system. In C.elegans head‚ the pharynx
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Earthworms are part of Phylum Annelida‚ Class Oligochaeta. They are classified in this phylum because their bodies are segmented and separated by an internal wall called septa. Each segment may or may not be different from the other depending on its function. Earthworms also classify with this phylum because it has a true coelom lined with a mesoderm and contain complex organ systems (Miller and Levine 694). Earthworms survive by feeding‚ circulating‚ respirating‚ excreting‚ reacting‚ moving‚ and
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How Does Temperature Effect Earthworms? Introduction When one thinks of earthworms usually one thinks about slimy and nasty creatures that are only used for fishing. Wrong! If there were no worms on earth‚ farms and many plants could not be properly maintained. This paper will explain how important earthworms are to the earth and to our environment. In addition‚ this paper will cover the origin of an earthworm‚ the anatomy and other important characteristics. Origin The
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Gas Exchange (4/2010) Basic metabolism of terrestrial organisms: plants take in CO2 and H2O and relseas CH2O and O2 which mammals take in and then give off CO2 and H2O Gas is exchanged though the opening of the stoma between two guard cells of the leaf epidermis. Flaccid- when stoma is closed Turgid- when stoma is open Factors that influence stomatal diameter enlarging stoma | reducing stoma | abundant waterabundant lightlow internal CO2 | water deficitdarknesshigh internal CO2
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Wanted PHYLUM NEMATODA ;COMMON NAME: ROUNDWORM What causes this disease: contaminated soil‚ contaminated food and water‚ and insects. Genus: Toxocara Species: Toxocara canis How they’re spread: Roundworms are quite common in animals‚ who easily spread the infection when the worm eggs develop into larvae and are in the animals feces. Pets get the infection by eating infected soil‚ licking contaminated fur or paws‚ or drinking contaminated water. If the pet is a female and had babies‚ the babies
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Kedah Matriculaion College | I N V E R T E B R A T E S | Biology Folio | By: Siti Nur E’zzati Zaidi & Nur Aida Amira (S3K2P6[B]) [Pick the date] | Practical Class Lecturer: Pn Suria Tutorial Class Lecturer: Miss Lock Shu Ping Table of contents Phylum Porifera…………………………………………………..3 Phylum Coelentrata…………………………………………….4 Phylum Platyhelminthes……………………………………..5 Phylum Nematoda………………………………………………6 Phylum Annelida………………………………………………….7 Phylum Mollusca…………………………………………………..8
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