b. Penis projects into the bursa which is eversible to grasp female. ... 1. Internal fertilization; male bursa is wrapped around posterior of the females, ...
PHYLUM ACANTHOCEPHALA: Spiny-headed worms -- most are gut ... A. Macracanthorhynchus sp. -- DH = pig; human (zoonosis); IH = June beetle grub & adult beetle ...
Chapter 31 Phylum Acanthocephala Chapter 31 Phylum Acanthocephala Form and Function Throughout their evolution there has been a reduction in muscular, nervous ...
Phylum Acanthocephala Acanthocephala: acanthias, prickly ; cephalo, head All parasitic. Anterior end with hook-bearing proboscis with hydraulic structures ...
Ch 11 Pseudocoelomates soo-doe-see-low-mates Acrobeles complexus Pseudocoelomates 9 phyla: Rotifera- do not molt (Lophotrochozoan) Acanthocephala Nematoda molt ...
Ch 11 Pseudocoelomates soo-doe-see-low-mates Acrobeles complexus Pseudocoelomates (Aschelminthes) 7 phyla: Do not molt Rotifera Acanthocephala Molt Nematoda ...
Lophotrochozoa ... These are the Mesozoa, Nemertea and four phyla grouped ... made up of only 20-30 cells arranged in two layers, which are not homologous to ...
Are a group composed of several phyla which share similar characters but are ... protonephrida are absent but a tube is present w/midventral pore. for exiting waste. ...
Title: Slide 1 Author: yunan Last modified by: Mas'ud Created Date: 8/15/2006 3:06:56 AM Document presentation format: On-screen Show Company: surabaya
Phylum Rotifera Rotifers have a ciliated crown, the corona, that is characteristic of the phylum. Phylum Rotifera Rotifers come in a wide range of colors and shapes.
Pseudocoelomate Animals There are 9 pseudocoelomate phyla. These are a diverse lot most of which are small, and some microscopic, although a few are relatively large.
Nematode Movement. Contract longitudinal muscles. High internal pressure ... one species of nematode is known only from felt coasters placed under beer mugs ...
405 seeds/m2 on experimental plot. 10 seeds/m2 on control plot ... Age of moose killed by wolves. Exploitation: Parasitism. Tapeworm life history. Hydatid cyst ...
Tienen espinas en la prob scide y frecuentemente en el tronco. ... Ciclo de vida de un acantoc falo, animal adulto, fases larvarias acantela y acantor. ...
Phylogeny A phylogenetic tree is another way of representing evolutionary relationships. Branches represent real lineages that occurred in the evolutionary past.
Moose, wolves, and parasites. c. 5% Kill efficiency low. Winter tick: an ectoparasite ... number of moose, growth rates. of balsam fir. BF c. 59% of winter. forage ...
Aquatic, benthic (living at bottom), mostly free-living in fresh water, but some ... Adults are free-living in freshwater. juveniles are parasitic in ...
Tapeworm life history. Hydatid cyst. Winter tick: an ectoparasite ... Exploitation of vascular plant by a fungus. Puccinia monoica: a fungus; a rust; pathogenic ...
Title: Bez nadpisu Author: lastuvka Last modified by: La t vka Zden k Created Date: 9/13/2004 5:41:14 PM Document presentation format: P edv d n na obrazovce
Parasitology What is a parasite? Definition: An animal which lives in (endoparasite) or on (ectoparasite) another animal (the host). Is almost always a different ...
larvae parasitic in insects like grasshoppers. adults aquatic, but do not feed. life cycle. eggs ingested by grasshopper. larva develops in gut. emerges when host ...
Phylum Rotifera ~2000 species Corona of ciliated cells Pseudoceolomic Central nervous system Complete gut Many species are female only Parthenogenetic Phylum ...
... (Dracunculus medinensis): transmitted by infected copepods in drinking water larvae move into the body cavity female adult migrates to the subcutaneous ...
PARASITOLOG A EL PAR SITO Parasitolog a m dica Estudio de los par sitos del reino animal donde el Hombre act a de hospedero. Par sito: Unicelular (protozoarios ...
PARASITOLOGY PROTOZOAN METAZOAN HOST-PARASITE RELATIONSHIPS PARASITOLOGY Parasites as vectors for disease PARASITES as portals of entry HEAVY INFESTATIONS ...
organisms that live in or on another species (the host) and have a negative ... Detect arrestant chemicals released my moth scales dislodged during oviposition ...
Parasites of nearly all animals and plants. Facts, cont. ... Feed on rotifers, tardigrades, annelids, other nematodes ... Tube-within-a-tube digestive system ...
ANIMAL HEALTH AgriScience 2 Performance Indicators After completion of this unit, students Signs that Indicate Healthy and Unhealthy Animals Healthy Livestock ...
Aula submetida Banca do Concurso P blico para provimento de uma vaga como Professor Adjunto do Magist rio Superior do Departamento de Ci ncias Biol gicas da ...