1st 9 Weeks Test ReviewZoology
SYSTEMATICS
The study of the kinds of organisms and the evolutionary relationships
among them is
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CHARLES DARWIN
The classification system used today began with the work of
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NOMENCLATURE
Each species has a unique name; __________ is the assignment of these
names.
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KINGDOM, PHYLUM, CLASS, ORDER, FAMILY, GENUS,
SPECIES
What is the correct sequence (from broad/general to specific) of the
major taxonomic categories?
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THE INTERNATIONAL CODE OF ZOOLOGICAL NOMENCLATURE
The standard for naming animals is #6
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GENUS AND SPECIES NAME
To designate a species correctly, the binomial nomenclature includes the
__________ names.
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FIRST NAME CAPITALIZED, SECOND NAME LOWER
CASE, ALL UNDERLINED OR ITALICIZED
Describe how to correctly write a scientific name
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VENTRAL
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Review. The "belly" (usually lower) surface of most bilaterally symmetrical animals is
DORSAL
The back (usually upper) surface of a bilateral
animal is #10
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CEPHALIZATION
Formation of a distinct head is called
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ABORAL
The end opposite the mouth is called the
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ORNITHOLOGY
The study of birds#13
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ICHTHYOLOGY
The study of fishes
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TRIPLOBLASTIC ORGANIZATION
The development of a coelom in an animal is always associated with
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PROTOSTOME
A characteristic of __________ is early cleavage of the zygote.
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DIPLOBLASTIC
The first tissue level of organization is called __________.
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ASYMMETRY
__________ is the absence of a central point or axis around which the body parts
are equally distributed.
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DEUTEROSTOMES
Fate of embryonic cells is determined later on in the development of __________.
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SPONGE
An animal is found that is asymmetrical, has not tissues or organs, and is full of
holes. This animal is probably a #20
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BILATERAL
Which type of symmetry do roundworms have?
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C
Roundworms are a. acoelomate b. pseudocoelomate c.
coelomate
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HUMANS
Ascaris is an intestinal roundworm found in pigs and _____________.
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FEEDING
What is the function of cilia on the anterior end of a rotifer?
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BREAKING DOWN OF FOOD
What is the function of the mastax in rotifers?
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PARTHENOGENESIS
The process of unfertilized eggs developing into an adult female (no males
involved)!
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TRICHINOSIS
Trichinella roundworm infection
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ELEPHANTIASIS
Disease in which lymphatic vessels become blocked by
larval worms.
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FILARIAL WORMS
Causes elephantiasis
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2
The roundworm digestive tract has how many
openings?
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FLAME CELLS AND EXCRETORY TUBULES
A rotifer’s excretory system includes
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FLAT WORM
The Greek word “platyhelminthes” literally
means
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CEPHALIZATION
Many of the worms in this phylum have a head or head-like structure. What is this
called?
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CLASS TURBELLARIA
Which class do planaria belong to and is mostly made up of free-living
worms?
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PREDATORS
How do planaria feed?#35
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OCELLI
These structures are simple eyes that detect light.
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CESTOIDEA
Which class contains tapeworms?
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IN SALT WATER (MARINE)
Most members of phylum annelida live
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BILATERAL
What type of symmetry do annelids have?
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LONG AND SLENDER (WORMLIKE)
What does it mean if an animal is “vermiform”?
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EXCRETORY
Nephridia are a part of the ___________system in Phylum
Annelida.
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ANESTHETIC
Which of the following is used by a leech to disguise
the bite when it attaches to a host?
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ANTICOAGULANT
Which of the following is used by a leech to keep blood from clotting
inside its body once it is consumed?
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SETAE
Which of the following body parts serves as the “anchor” during annelid movement?
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TRUE
True or FalseCephalization is usually associated
with bilateral symmetry
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TRUE
True or FalseA true coelom is advantageous
because it can provide an area for storage and room for organ
development.
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FALSE
True or FalseA hermaphroditic animal is also
known as dioecious.
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FALSE
True or FalseEarthworms usually have an asexual
life cycle.
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FALSE
True or FalseEarthworms’ anterior segments are modified for sensing the environment, but are only capable of
sensing light and not vibrations.
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TRUE
True or FalseTwo examples of marine annelids are bristle worms and fan worms.
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FASLE
True or FalseLeeches are internal parasites.
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•.
TRUE
True or FalseThe clitellum in earthworms is
closer to the anterior end than the posterior end.
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FALSE
True or FalseEarthworms are different from flatworms
and roundworms because earthworms are segmented and are
pseudocoelomates.
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TRUE
True or FalseThe Portuguese man of war is a
floating colony of dangerous stinging polyps that cannot swim.
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TRUE
True or FalseHydra lacks the medusa stage, is
small, and found in fresh very clean waters.
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TRUE
True or FalseSponge cells are specialized, like other animals; however no tissues
or organs exist.
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FALSE
True or FalseAll flat worms are parasites
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TRUE
True or FalseEach mature tapeworm can produce
80,000 eggs per day.
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FALSE
True or FalseA host that harbors the immature stage of a parasite is called the
definitive host.
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TRUE
True or FalsePhylum Platyhelminthes is divided
into four classes: Turbellaria, Monogenea, Trematoda, and
Cestoidea.
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FALSE
True or FalseFree-living flatworms cannot
reproduce asexually by regeneration.
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TRUE
True or FalseRotifera is latin for “to bear a
wheel”.
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FALSE
True or FalseNematodes are very small animals only ranging from 0.5mm to 3mm.
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TRUE
True or False Parthenogenesis is derived from
parenthenos meaning “virgin birth”.
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FALSE
True or False Nematodes are also known as flatworms and members of the Phylum Platyhelminthes are
known as roundworms.
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TRUE
True or FalseIn extreme cases, filiarisis can lead to
elephantiasis, which is a grotesque swelling of the legs and other extremities due to worms blocking
the lymphatic system.
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bilateral symmetry class coelom family genus kingdom order phylum radial symmetry Species Asexual Reproduction Choanocytes (collar cells) Gastrovascular cavity Hydrostatic skeleton Medusa Nerve net
Pinacocytes Polyp Sessile Corona Elephantiases Heartworm disease Lorina Mastax Microfilariae Clitellum Metamerism Parapodia Setae Tagmatization Crop
Be sure to study the following vocabulary!
The End
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