Lab 7 Flashcards
What does Acoelomate mean
Without body cavity
Class of chinese liver fluke
Trematoda
Phylum for pinworm that attaches to wall of appendix and intestine.
Nematoda
T/F Tapeworms do not have a body cavity meaning they are pseudocoelomate
False
Common name for organism with segments in class cestoda
Tapeworm
Which fluke has separate sexes
Blood fluke
What is the head of the tapeworm called
Scolex
What is the body of a tapeworm called
Proglottid
What structure runs down either side of a fluke
Bi branched intestine
What does a rotifer look like?
Circular with spinning end and a tail end.
acoelomate Characteristics
lack body cavity between digestive tract and outer body wall
Tiploblastic
bilateral symmetry
lack specialized organs
Phylum Platyhelminthes Classification
dorsoventrally flattened
Bilateral symmetry
anterior and posterior
nervous system
Classes of platyhelminthes
Turbellaria
Trematoda
Cestoda
Turbellaria Classification
Marine and fresh water
Planarian
body parts of a planarian
Eye spots
Ganglia
ventral nerve cord
gastrovascular cavity
Class trematoda Classification
parasitic Thick integument (for resistance to host enzymes) Ventral sucker Large reproductive organs Bi-branched intestine
What is different from the blood fluke and other flukes
Sexual reproduction
Class cestoda Classification
Flattened
Highly developed reproductive system
Where are tapeworms normally found in humans
Intestine
Phylum Rotifera Classification
Microscopic
freshwater
large portion of plankton
Phylum Nematoda Classification
Free living parasites elongated and tapered tough cuticle no circulatory systems separate sexes
What differentiates Nematoda from other worms
No body segments
Examples of Nematods
Roundworm
Trichinella spiralis
hook worm
pinworm
