Worm Review

Earthworms belong to the KINGDOM _______________ PHYLUM ________________ CLASS ___________________

Animalia

Earthworms breathe with lungs gills nephridia skin

AnnelidaOligochaeta

They breathe through their skin

Earthworms and leeches are __________ worms. Flat Round Segmented

segmented

Tell the two adaptations earthwormshave to help them absorb nutrients from the soil they eat.

Really LONG intestine AND Typhlosole

MATCH THE EARTHWORM BODY PART WITH ITS FUNCTION

Setae __________________________

Aortic arches ____________________

Cerebral ganglia _________________

Seminal vesicles _________________

Seminal receptacles________________

Provide traction in crawling

Act as heart to pump blood

Act as brain

Store sperm made by this worm to give away

Store sperm receivedfrom other worms

Which type of protective covering ismade of thickened fused CELLS?

Tegument cuticle

tegument

Earthworms have a(n) __________circulatory system. open closed

closed

An earthworm stores the sperm it makes in seminal _________.

receptacles vesicles vesicles

Digestive organ in an earthwormthat stores food waiting to be digested.

crop

Type of coelom seen in ALL flatworms

they are acoelomates

What part of an earthwormhelps with traction as it crawls?

Setae – bristles on ventral surface

Earthworms are ________________ acoelomates pseudocoelomates eucoelomates

eucoelomates

The thin membranes that separatethe earthworm’s coelom into compartments are called________________Septa (sing. Septum)

The PRIMARY host for thebeef tapeworm is ______________.

cows pigs humans snails

humans

The digestive part that sucks in thefood and moves it down into the digestive system is the ________________.pharynx

MATCH THE EARTHWORM BODY PART WITH ITS FUNCTION

Crop __________________________

Typhlosole _______________________

Gizzard ___________________

Nephridia _________________

Clitellum ____________________

Stores food waiting to be digested

Increases surface area to absorb more nutrients

Grinds and mashes up food

Excretes nitrogen wasteMakes mucous for reproduction

Name 4 characteristics of ALL worms

Invertebrates protostomesElongated bodiesBilateral symmetryCephalizationCerebal ganglia "brain"No respiratory organs(breathe through skin)

Round worms are all ______________acoelomates pseudocoelomates eucoelomates

pseudocoelomates

The structure on an earthworm thatsecretes mucous for reproduction isthe _____________clitellum

The concentration of nervous andsensory organs in the anterior end of an animal is called _______________cephalization

Tube that connects the pharynx and the crop in an earthworm.

esophagus

MATCH THE WORM WITH THE WAY IT IS TRANSMITTED TO HUMANS

Blood fluke Schistosoma _____________________

Intestinal round worm Ascaris _________________________

Beef Tapeworm ___________________Pork roundworm Trichinella ___________________

Burrow through skin

contaminated food or water

Eating undercooked meat containing cysts

Eating undercooked meat containing cysts

An earthworm stores sperm itreceives from other worms in its

seminal _________________.receptacles

The excretory organ in an earthworm isits ___________________nephridia

Where would you find setae in an earthworm?

Ventral surface

What structures act as a heart inan earthworm to pump blood?

Aortic arches

The ____________end of the earthworm is closest to the clitellum.

anterior posterior

anterior

Respiratory organ found in earthwormsTrick question… they don’t have any respiratory organs; they absorb oxygen through their skin.

An organism that has both maleand female reproductive structures is called a _______________hermaphrodite

Protective layer that covers thebody of an earthworm and tapewormwhich is NOT made of cells tegument cuticle cuticle

The excretory organs in flatworms are the __________________Flame cells

In Latin the name Annelida means________________.

slender body few bristles crawling tube little rings

“little rings”

The male genital pores connect to which sperm storage structure inside? __________________seminal vesicles

Flame cells and nephridia are____________ organs.

Reproductive nervous digestive excretory circulatory skeletal

excretory

Name parts of the digestive system of an earthworm starting at the anterior end and moving through the digestive system.

Mouth, pharynx, esophagus, crop, gizzard, intestine, anus

The flap of tissue that hangs overan earthworm’s mouth and senses light/touch is the__________________prostomium

These organismsare ____________ worms.

Flat round segmented

flat

Image from: http://sps.k12.ar.us/massengale/unsegmented_worm_notes_b1.htm

True or FalsePlanaria have just one openingfor their digestive system.

TRUE

Fertilization in an earthworm happens ___________ of their bodies.

Inside outside

outside

The ability of an animal to regrow

lost body parts is called ____________________regeneration

Muscular digestive organ wherefood is ground up in an earthworm.

gizzard

Earthworms have a non-cellular ________________ to help them hold in moisture.

tegument cuticle

cuticle

PHYLUM that includes the flatworms

Platyhelminthes

Match the type of worm with the kind of coelom it has

acoelom pseudocoelom eucoelom

FLATWORMS ___________________

ROUND WORMS ____________________

SEGMENTED WORMS _______________

acoelom

pseudocoelom

eucoelom

The animal in which an adultparasite lives and reproduces is the

_____________ host.

primary secondary intermediate

primary

Filarial worms like the ones thatcause elephantiasis and dog heartwormare carried by ______________.insects

The intermediate host that carries beef tapeworm is a _______________cow

Hookworms, round worms, pinworms,and filarial worms are all__________ worms.

Flat round segmented

round

The anterior end of a tapeworm containing hooks and suckers to help it hold on inside the host is the _____________________

scolex

A one opening shared digestive/circulatory space seen in Planaria

Gastrovascular cavity

Name a worm you learned about without a digestive system?

Tapeworm

Organisms without a backboneINVERTEBRATES

The hermaphroditic reproductive segments released by tapeworms are called ______________proglottids

Humans are infected with beef tapeworms when they drink contaminated water get bitten by a mosquito carrying the larvae eat under cooked meat containing cysts walk with bare feet and larvae burrow into their skin

*

MATCH THE WORM WITH THE WAY IT IS TRANSMITTED TO HUMANS

Filarial worms ____________________

Hookworms_____________________

Round worm Trichinella ___________________

Bitten by insect carrying larvae

Burrow through skin in feet

Eating undercooked meat containing cysts

The primary host for beef tapeworm is a ______________human

An organism that has both maleand female reproductive organs is called a _________________hermaphrodite

Ascaris eggs enter the body of a human when ________________- The person ingests contaminated water or food- The person is bitten by a mosquito carrying the larvae- larvae burrow through the skin- The person eats undercooked meat containing cysts*

Round worms belong to the PHYLUM ______________Nematoda

TELL WHICH BODY SYSTEM EACH PART BELONGS TO

Crop __________________________

Cerebral ganglia _________________

Aortic arches___________________

Nephridia _________________

Clitellum ____________________

Intestine ____________________

digestive

nervous

circulatory

excretory

reproductivedigestive

How is a TEGUMENT different from a CUTICLE?

Both are protective layers on outsidesof worms but … A tegument is made of fused CELLS. A cuticle is a NON-CELLULAR coating

GIVE THE PHYLUM FOR EACH TYPE OF WORM

FLATWORMS _______________

ROUNDWORMS _____________

SEGMENTED WORMS ______________

Platyhelminthes

Nematoda

Annelida

Type of circulatory system seen in earthworms

Type of fertilization seen in earthworms

CLOSED

external fertilization

MATCH THE COELOM with the WORM

__________ __________ ____________Segmented(eucoelom)

Round(pseudocoelom)

Flat(acoelom)

FLAT ROUND SEGMENTED

Images from: http://www.lander.edu/RSFOX/310images/310bilatImage.html

Type of reproduction seen in earthworms

Type of development seen in earthworms

Type of development seen in blood flukes

sexual

direct

Indirect; there is a larva that lives in snails

Type of symmetry seen in worms

bilateral

In earthworms seminal _____________store sperm received from other wormsduring sexual reproduction.

receptacles

How do tapeworms obtain nutrients without a mouth or digestive system?

Absorb through their tegument(Covering on skin)

Worms are _______________

invertebrates vertebrates

Invertebrates (no backbone)

MATCH THE DIGESTIVE SYSTEM WITH THE WORM

Planaria __________________________

Tapeworms _______________________

Earthworms _______________________

Gastrovascular cavity/1 opening

No digestive system

2 openings

Worms are _____________

protostomes deuterostomes

protostomes

Planaria, flukes, and tapeworms are ____________ worms. flat round segmented

flat

MATCH THE WAY HUMANS ARE INFECTED WITH THE WORM

Eating contaminated food or water

__________

Eating undercooked meat with cysts

______________ _________________

Burrow through skin

______________ __________________

Insect bites

___________________

Ascaris

Beef tapeworm or Pork Round worm (Trichinella)

Blood Fluke (Schistosoma) Hookworms

Filarial worms (Elephantiasis, dog heartworm)

Type of digestive system seen in

Flukes and Planaria

Gastrovascular cavity with 1 opening

Flatworms have ____________ to excrete nitrogen waste and remove excess water

flame cells

NAME THE TYPE OF SYMMETRY

Radial Bilateral Asymmetry

Images from: http://www.uic.edu/classes/bios/bios100/labs/radial.jpghttp://www.uic.edu/classes/bios/bios100/labs/bilateral.jpghttp://vilenski.org/science/safari/animals/other/classify_animals.html

Earthworms and leeches are_______________ worms.

flat round segmented

segmented

Type of worm you would expect to have a scolex

Tapeworm

The hermaphroditic reproductivestructures seen in tapeworms are called _______________proglottids

Where would you find a typhlosolein an earthworm?

Inside intestine

Which kind of worm lives inside your intestine and crawls out the anus at night to glue eggs to your skin?

pinworms

Name a kind of worm with a one opening gastrovascular cavity

Planaria OR flukes

Name a worm you learned about that can use either SEXUAL or ASEXUAL reproduction

The concentration of a “brain” and sensory organs at the head end of an animal is called ___________________

Planaria

cephalization

The gastrovascular cavity in Planaria and Flukes shares the functions of which 2 different body systems?

Gastro = digestivevascular = circulatory

Where would you find a ADULT beef tapeworm living?

Inside human intestine

KEEP IT STRAIGHT:Compare Digestive and Nitrogen waste

DIGESTIVE WASTE

NITROGEN WASTE

Made where?

Comes from?

Removed by what body system?

Leaves body as?

In digestive tract By body cells

Digestive Excretory

Feces ammonia, urea, OR uric acid

Left over from breakdown of proteinsundigested food during metabolism

Earthworms and leeches are_______________ worms.

flat round segmented

segmented

Tell what an earthworm uses itsSetae for

Traction when it crawls

MATCH THE DISEASE with the worm that causes it

Schistosomiasis ____________________

Trichinosis _______________________

Elephantiasis ___________________

Ascaris _________________

Pinworms ____________________

Blood fluke: Schistosoma

Round worm: Trichinella

Filarial round worm

Round worm

Round worm

MATCH THE FUNCTION with the BODY PART

Helps tapeworms attach to host _________

Increases surface area in intestine to absorb more nutrients _____________

Makes mucous for earthworm sex ___________

Excretes nitrogen waste in earthworms _________________

scolex

Typhlosole

clitellum

nephridia

MATCH THE FUNCTION with the BODY PART

Covers and protects earthworm’s mouth and senses light and vibration/touch ____________

Excrete nitrogen waste in flatworms_____________

Excretes nitrogen waste in earthworms _________________

prostomium

Flame cells

nephridia

Label the directionsA.__________________

___________________ C

D_______________ __________________B

DORSAL

ANTERIOR

VENTRAL

POSTERIOR

Animation from: http://bestanimations.com

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