Phylum Platyhelminthes Flatworms Monogenian Flukes Tapeworms * * * * * * * * * * * * * * Deadly prominent disease in many regions of the world Bores into the skin of ...
Some free-living; some parasitic (may have several hosts) 4 Classes. Turbellaria. Trematoda ... Most free-living, carnivorous. 5 mm to 50 cm. Locomotion ...
Chapter 33 Invertebrates Let s meet the Invertebrates Life Without a Backbone Invertebrates Are animals that lack a backbone Account for 95% of known animal ...
These animals are also triploblastic they have three embryonic germ layers. Organ-system level of organization more division of labor among their organs.
Fig. 14.10 ACOELOMATE ANIMALS 14.1. General Features A. Cephalization 1. Sessile animals survive well with radial symmetry. 2. Concentrating the sense organs on the ...
The vast majority of animal species belong to the clade Bilateria, which ... Phylum Mesozoa is considered a 'missing link' between protozoa and metazoa. ...
no urinary, cardiovascular, respiratory or nervous system. cellular grade of ... legs have two branches (biramous appendages) outer branch are flattened gills ...
Animal Evolution Porifera sponges 5,000 living sponge species Three Main Groups: hexactineuida (glass sponges) demospangia calcarea (calcareous sponges) no coelom ...
... Integrated health management ... check for pathogen Remove dead fish from system Dispose dead fish properly Good sanitation ... Improved production, ...
Chapter 33 Invertebrates Let s meet the Invertebrates Life Without a Backbone Invertebrates Are animals that lack a backbone Account for 95% of known animal ...
Some are parthenogenetic (with females only reproducing asexually) while others ... degenerate males who survive long enough to produce sperm when resistant zygotes ...
There are about 35 phyla (this number depends on the systematic system that is used) ... colonial hydroids or hydrozoans are infamous for their very painful, powerful ...
At Ankara University and other three public universities undergraduate courses ... Aquaculture in Agricultural Faculty of Ankara University offers a degree in ...
More than a million extant species of animals are known, and ... The basic cnidarian body plan is a sac with a gastrovascular cavity. 2. Phylum ... Cnidarians ...