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

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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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