ZL Test 2

What subkingdom is Phylum Platyhelminthes apart of

Subkingdom Bilateria

What division is Phylum Platyhelminthes apart of

Division Protostomia

Synapomorphies of Phylum Platyhelminthes

Rhabdite cells

Flame cells

Endolecithal eggs

Rhabdite cells

Specialized mucus-secreting cells that assist in locomotion by creating a viscous slime over which free-living flatworms can glide with the use pf abundant cilia on their ventral surface

Flame cells

Also called protonephridia are specialized flagellated cells associated with the elimination of nitrogenous waste products from the body

Endolecithal

Means inside yolk which refers to the storage of large grains of yolk within vacuoles of the eggs of flatworms

Triploblast

Composed of three germ layers

What body arrangement does Phylum Platyhelminthes have

Triploblastic

What are the three germ layers

Endoderm

Mesoderm

Ectoderm

What type of body symmetry does Phylum Platyhelminthes have

Bilateral

Cephalized

They concentrate sensory structures at one end of the body

Class Turbellaria number

3,000

Where are Class Turbellaria found

Marine

Freshwater

Do Class Turbellaria need a host

No they are free-living

Ocellus

Type of eye in Class Turbellaria

Pharynx

Scrapes and ingests food

Pharyngeal cavity

The infoldings of the body that the pharynx is stored

Mouth

Opening of the pharynx

Located at the posterior end

Diverticulae

Blind end pocket that Anterior and posterior trunk both branch into

Intestine

Branches from the pharynx into the anterior and posterior trunks

Monoeceous

Having both male and female reproductive organs

Pharyngeal sheath

The extension of the epidermis that is a single layer of cells that also lines the outside of the Pharyngeal cavity

Circular muscles

Wraps around the body

Longitudinal muscle

Runs anterior to posterior

Dorsoventral muscle

Bands of muscles that can also be seen extending from the dorsal epidermis to the ventral epidermis

Parenchyma

Poorly defined masses of cells between muscles and segments of the gut

Endoparasites

Parasites living inside the body of the host

Primary host

A mammal where the adult fluke is found

Intermediate host

A snail where larva forms of the fluke are found

Midsagittal suckers in Class Trematodes

Prohaptor

Opisthaptor

Where is class Monogenea most commonly found

Attached to gills of fish

Biggest synapomorphy for class Monogena

Opisthaptor

What is Class Cestoda most commonly known as

Tapeworms

Scolex

Used for attachment

Dipylidium caninum

Common dog tapeworm

Planaria tigrinum

1

Posterior trunk of intestine

2

Mouth

3

Pharynx

4

Anterior trunk of intestine

5

Auricle

6

Eyespot

Planaria tigrinum

1

Ovovitelline Duct

2

Yolk Gland

3

Mouth

4

Pharynx

5

Anterior trunk of intestine

6

Eyespot

7

Ovary

8

Testis

9

Sperm duct

10

Posterior trunk of intestine

Schistosoma mansoni

1

Male

2

Prohaptor

3

Opisthaptor

4

Female

5

Gynecophoric groove

Clonorchis sinensis

1

Excretory pore

2

Bladder

3

Seminal vesicle

4

Intestine

5

Pharnyx

6

Prohaptor

7

Mouth

8

Opisrhaptor

9

Uterus

10

Yolk gland

11

Ovary

12

Testes

Scolex and immature proglottids

1

Rostellum

2

Hook

3

Sucker

4

Neck

5

Immature proglottid

Gyrodactylus salaris

1

Mouth

2

Intestine

3

Hooks

4

Opisthaptor

A mature proglottid

1

Uterus

2

Testis

3

Vas Deferens

4

Genital pore

5

Vagina

6

Ovary

7

Yolk gland

8

Excretory canal

9

Nerve cord

A gravid proglottid

1

Genital pore

2

Eggs

Which phylum is class polyplacophora in

Molluska

What phylum is class Monoplacophora in

Molluska

What phylum is class gastropoda in

Molluska

What phylum is class Cephalopoda in

Molluska