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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