1x 2x 3x 4x 5x latin flatworms & roundworms mollusks & annelids is it the truth? 1x 2x 3x 4x...
Post on 04-Jan-2016
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Latin Flatworms
&
Roundworms
Mollusks & Annelids
Is it the Truth?
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Mystery Bag
Gaster-
(a) Fuel(b) Stomach(c) Expel(d) Churn
Pseudo-
(a) Real(b) Nutrition(c) False(d) Aquatic
-vascula
(a) With vessels (b) With light(c) With movement(d) With velocity
Mollusca
(a) Shelled(b) Little Rings(c) Tentacles(d) Soft-bodied
-chaete
(a) Bristle(b) Segment(c) Movement(d) Organ
Which organism would BEST represent the primary host of
a beef tapeworm?
(a) Cow (b) Human(c) Snail(d) Pig
Elephantiasis results from a filarial worm infection and
can cause severe swelling in the tissues of which human
body system?
(a) Digestive(b) Lymphatic(c) Circulatory(d) Nervous
Once inside the primary host, a tapeworm will latch onto the tissue of which organ?
(a) Esophagus(b) Stomach(c) Intestine(d) Kidney
A true coelom differs from a pseudocoelom in that a true
coelom…
(a) The cavity does not contain fluid(b) Body wall muscles are separated from the gut(c) Circulatory system is surrounded by endoderm(d) The cavity is filled with endoderm
A lack of a respiratory system in flatworms is compensated
for by their…
(a) Flat body plan(b) Bilateral symmetry(c) Gastrovascular cavity(d) Parasitic lifestyle
A larva of the trichina roundworm must encyst
itself into which type of host tissue?
(a) Adipose tissue(b) Muscle tissue(c) Nervous tissue(d) Epithelial tissue
A tapeworm can be introduced into a human host
through all the following improperly cooked foods
except…(a) Chicken(b) Beef(c) Fish (d) Pork
The mastax evolved in rotifers in order to enable
which of the following digestive actions?
(a) Chemical digestion(b) Mechanical digestion (c) Releasing acids(d) Manufacturing enzymes
Terrestrial snails differ from aquatic snails in that land
snails…
(a) Are hermaphroditic(b) Have separate sexes(c) Possess gills(d) Lack tentacles
Mosquitoes and leeches both secrete an anti-coagulant during feeding, a salivary secretion designed to…
(a) Prevent bacteria from entering bite(b) Allow host blood to flow freely(c) Initiate the platelets to begin clotting(d) Spread infection of intestinal bacteria
The radula, a feature of some mollusks BUT not of annelids,
is an adaptation used for…
(a) Feeding(b) Communication(c) Excretion(d) Reproduction
To move in a terrestrial environment, an earthworm
will use ALL the listed structures except…
(a) Setae(b) Mucus(c) Parapodia(d) Muscles
The circulatory system of a gastropod is BEST described
as…
(a) A closed-system(b) An open-system(c) Lacking a heart(d) Supporting a fast metabolism
(a) Having tentacles(b) Having setae(c) Inhabiting aquatics (d) Lacking setae
Leeches differ from both classes of oligochaetes and
polychaetes by…
The typhlosole of an earthworm is analogous to
which of the following human structures?
(a) Stomach mucosa(b) Oral cavity teeth(c) Intestinal villi(d) Esophageal epithelium
(a) True(b) False
A tapeworm is so highly specialized it does not require
a mouth, only a scolex and suckers.
In addition to carrying viruses, bacteria, and
protozoans, mosquitoes have been known to carry tiny
worms.
(a) True(b) False
Although hermaphroditic, earthworms require a mate in
order to cross-fertilize.
(a) True(b) False
Annelids are a class of segmented worms that lack a
complete digestive tract.
(a) True(b) False
Exchange of gases best occurs across a thick and dry membrane
like skin.
(a) True(b) False
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