Platyhelminthes - Study guides, Revision notes & Summaries

What are the main features of Trematodes/Flukes? - Correct Answer-- Leaf like bodies - Flattened, not rounded - Gut present - Feed on blood, tissue, intestinal content - Internal parasites - Snail used as an intermediate host What is the generalised life cycle of a Trematode? - Correct Answer-- Eggs in faeces - Hatch as Miracidia in water - Attach to first host - Leave first host as Cercaria - Encyst on second host as Metacercaria - Ingested by human host What is the lifecycle of...

Digenea female reproductive system - -ovicapt: sphincter muscle controls release of oocyte from ovary term-11 - Laurer's canal: vestigial vagina - Mehlis' gland: unicellular mucous and serous glands surrounding ootype - Ootype: expanded area of oviduct surrounded by Mehlis' gland - vitellaria: vitelline glands which produce bulk of shell material and yolk of the egg - Oogenotop: "egg forming apparatus" Characteristics of phylum Platyhelminthes... - *Flatworms* -Simplest bilaterally ...

PLATYHELMINTHES, NEMATODA, AND ANNELIDA QUESTION AND ANSWERS (VERIFIED ANSWERS)

Pathology Alaria americana - - mature Alaria are very pathogenic and cause severe enteritis (inflammation of small intestine) - often kills host in severe infections - can be fatal in humans when accumulated in large numbers Alaria americana epidemiology - -Found in various species of Canidae in northern North America -mesocercariae pathogenic to humans *of medical importance -Acquired by eating

BIOL 205 - Comparative Invertebrate Zoology (exam prep solution for December 2024 COVERING MIDTERM 1,2,3,4 AND FINAL EXAM) University of British Columbia, Okanagan Campus Midterm 1: Invertebrate phyla including Porifera, Placozoa, Cnidaria, Ctenophora, Platyhelminthes, Acoela, Clade Gnathifera, and Gastrotricha material for the final exam. Covering Arthropoda, Echinodermata, and Hemichordata. Midterm 2 material. Includes Nemertea, Mollusca, Annelida, Cycliophora, Entoprocta, Ectoprocta, Bra...

MTTC Integrated Science (Secondary) Questions Answers 2023 Graticule slide marked with grid line, useful for counting or estimating a quantity Preparing acid solutions Always add acid to 2/3 water, then add rest of water # of Animal species over 1 million species and about 30 divisions # of insects 800,000 species, half of animal kingdom Characteristics of animal kingdom muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, c...

SCYPHA Domain Eukarya Kingdom Animalia Subkindgom Parazoa Phylum Porifera HYDRA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Cnidaria Class Hydrazoa OBELIA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Cnidaria Class Hydrazoa OBELIA MEDUSA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Cnidaria Class Hydrazoa PLANARIA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Platyhelminthes Class Turbellaria CLONORCHIS SINENSIS Doma...

Phylum Platyhelminthes - Correct Answer-Flatworms. Parasitic. Acoelomates. Tripoblastic. Dorsoventrally flattened- greater S.A to respire by diffusion. Tegument- surficial covering of multicellular organism Parenchyma- loosely arranged mass of fibers and cells Phylum Platyhelminthes- Classes - Correct Answer-Turbellaria. Trematoda. Monogenea. Cestoidea. Digenea - Correct Answer-Subclass to class Trematoda. Parasitize all classes of vertebrates. Develops in at least two hosts. F...

Digenea female reproductive system Ans -ovicapt: sphincter muscle controls release of oocyte from ovary term-11 - Laurer's canal: vestigial vagina - Mehlis' gland: unicellular mucous and serous glands surrounding ootype - Ootype: expanded area of oviduct surrounded by Mehlis' gland - vitellaria: vitelline glands which produce bulk of shell material and yolk of the egg - Oogenotop: "egg forming apparatus" Characteristics of phylum Platyhelminthes... Ans *Flatworms* -Simplest bil...

Which of the following is (are) unique to animals? A) the structural carbohydrate, chitin B) nervous and muscular tissue C) heterotrophy D) gametes Ans: B) nervous and muscular tissue What do all deuterostomes have in common? A) Adults are bilaterally symmetrical. B) Embryos have pharyngeal pouches that may or may not form gill slits. C) All have a spinal column. D) The pore (blastopore) formed during gastrulation becomes the anus. Ans: D) The pore (blastopore) formed during gastrul...