Exam 2

Question 1

What phylum includes flat worms without body cavity.

Answer 1

Phylum Platyhelminthes

Question 2

2 Definitive Characteristics of the Phylum Platyhelminthes

Answer 2

1)The body is flattened dorsoventrally
2)The only coelomates without an anal opening

Question 3

Name 4 classes of the Phylum Platyhelminthes

Answer 3

1)Class Turbellaria
2)Class Monogenea
3)Class Trematoda
4)Class Cestoidea

Question 4

[stir,bustle +like or connected with]- includes Planarians
ex. Biplaium adventitium, Dugesia Tigrina

Answer 4

Class Turbellaria

Question 5

Located in the epidermis cells of Turbellaria and some nematodes used to secrete mucous in ciliated movement.

Answer 5

Rhabdite

Question 6

What Phylum and Class is the Bipalium adventitium belong and what’s its common name

Answer 6

Phylum: Platyhelminthes
Class: Turbellaria
Common Name: Giant Land Planarian

Question 7

What Phylum and Class is the Dugesia Tigrina belong and what’s it’s common name

Answer 7

Phylum: Platyhelminthes
Class: Turbellaria
Common Name: Freshwater Planarian

Question 8

[one + organ, birth] includes the monogenetic flukes with 1,100 species, which are ectoparasites of vertebrates, especially fishes

Answer 8

Class Monogenean

Question 9

1) Body covered with a syncytial tegument without cilia
2) Leaflike or cylindrical in shape
3) Opisthaptor
4)Prophaptor
5)Direct development with oncomiracidium
6)Body not apelike or with proglottids
7)Digestive system is incomplete

Answer 9

Characteristics of Class Monogenean

Question 10

[white holes + form]- includes the trematodes, which are obligatory endoparasites with typically two to four intermediate hosts and with more than 11k species

Answer 10

Class Trematoda

Question 11

1)Body leaflike in shape
2)Body covering a syncytial tegument without cilia
3)Oral and ventral suckers usually present
4)Hooks absent
5)Rostellum absent
6)Body not divide into proglottids
7)Digestive system is incomplete
8) Development indirect with 2-4 intermediate hosts.

Answer 11

Characteristics of Class Trematoda

Question 12

what is Clonorchis Sinensis and what class does it belong to?

Answer 12

Human Liver Fluke, Class Trematoda

Question 13

Fasciola Hepatica

Answer 13

Sheep Liver Fluke

Question 14

Schistosoma mansoni

Answer 14

Human Blood fluke that cause swimmer itch

Question 15

Two intermediates and final host for Clonorchis sinensis [Human Liver Fluke]

Answer 15

1)Snail
2)Fish
3)Human

Question 16

Name the intermediate and final host of Schistosoma mansion [Human Blood Fluke]

Answer 16

1)Snail
2)Human

Question 17

Name intermediate and final host for Fasciola Hepatica [Sheep Liver Fluke]

Answer 17

1)Snail
2)Sheep

Question 18

[gridle + gorm] includes the tapeworms, which are obligatory endoparasites, with 3,400 species

Answer 18

Class Cestoidea

Question 19

1)Body covering a syncytial, non-ciliated tegument
2)Body is tapelike
3)Body is divided into proglottids
4)A well developed scolex with hooks and suckers is present
5)Indirect development with two intermediate hosts
6)Digestive system is absent

Answer 19

characteristics of the Class Cestoidea

Question 20

Taeniarhychus saginatus

Answer 20

Beef Tapeworm

Question 21

Diplylidium Caninum

Answer 21

Dog Tapeworm

Question 22

Diphyllobothrium Latum

Answer 22

Broad Fish Tapeworm

Question 23

Ptoteocephalus ambloplitis

Answer 23

Bass Tapeworm

Question 24

[molluscus=soft]- includes the mollusks and many other groups with 90k living species and 70k fossil species. Second Highest numbers of species of all animal phyla.

Answer 24

Phylum Mollusca

Question 25

1)Dorsal, folded mantle that secretes the shell 2)One-piece or two-piece shell is present 3)Muscular foot is present 4)A radula is usually present 5)Usually a trochophore larva and a veliger larva

Answer 25

5 Definitive Characteristics of the Phylum Mollusca

Question 26

7 Economic Importance of Mollusks

Answer 26

1)Food for human 2)Important members of food chain 3)Predators on animals 4)Commercial products: shells, pearls, jewelry, arts and crafts 5)Sources of lime and calcium 6)Toxins that kill animals and humans 7)Bait for fishing

Question 27

5 General Characteristic of the Phylum Mollusca

Answer 27

1)Bilateral symmetry or asymmetry 2)Protostomes 3)Open circulatory system with hemocyanin as the respiratory pigment 4)A metanephridium is present 5) Cephalization with a well-developed head in most groups.

Question 28

Three Layers of the Shell of the Phylum Mollusca

Answer 28

Periostracum Prismatic layer Nacreous Layer

Question 29

the outer horny later of protein [conchiolin]

Answer 29

Periostracum

Question 30

the middle layer of calcium carbonate in protein matrix

Answer 30

Prismatic layer

Question 31

the inner layer of calcium carbonate in protein matrix

Answer 31

Nacreous layer

Question 32

5 Classes of the Phylum Mollusca

Answer 32

Class Polyplacophora Class Scaphopoda Class Gastropoda or Class Univalvia Class Pelecypoda or Class Bivalvia Class Cephalopoda

Question 33

[many + plate + to bear]- includes the chitons that are common inhabitants along rocky coasts in the oceans.

Answer 33

Class Polyplacophora

Question 34

3 Characteristics of the Class Polyplacophora

Answer 34

A row of 8 calcareous plates A radula is present A large, flat ventral foot is present

Question 35

[boat + foot]- includes the tusk shells with 350 species that are sedentary mollusks with a conical, tubular shell and a conical-shaped foot.

Answer 35

Class Scaphopoda

Question 36

4 Characteristics of the Class Scaphopoda

Answer 36

A conical foot is present A one-piece tubular shell that is open at both ends is present Tentacles are present Radula is absent

Question 37

means parasitic worm

Answer 37

Helminth

Question 38

what words means without body cavity

Answer 38

acoelomate

Question 39

What are the economic importances of the Phylum Platyhelminthes.

Answer 39

Loss of wild animals,, domestic animals, and man due to parasitic illness.

Question 40

The Class Monogenea has how many intermediate hosts?

Answer 40

0

Question 41

Excretion in planarians are done by?

Answer 41

Protonephridia

Question 42

An opisthaptor would be found in what class of flatworms

Answer 42

Monogenea

Question 43

What is the common name of ectoparasites on the gills of fishes.

Answer 43

Gill flukes

Question 44

What is the name of the larvae of the monogenetic flukes

Answer 44

miracidium

Question 45

Name 5 phylum that are common Pseudocoelomates

Answer 45

Phylum Rotifera Phylum Nemotoda Phylum Gastrotricha Phylum Kinorhyncha Phylum Nematomorpha (Gordiacea)

Question 46

What is the common name of animal with a crown of cilia and a max tax with jaws?

Answer 46

Rotifer

Question 47

What Phylum does Rotifer belong?

Answer 47

Phylum Rotifera

Question 48

What is the phylum name for a gastrotrich

Answer 48

Phylum Gastrotricha

Question 49

An animal parasite with a retractable spiny proboscis is a?

Answer 49

Acanthocephalans