1. Worm Review

2. Earthworms breathe with
Earthworms belong to the
KINGDOM _______________
PHYLUM ________________
CLASS ___________________
Animalia
Annelida
Oligochaeta
Earthworms breathe with
lungs gills nephridia skin
They breathe through their skin

3. Earthworms and leeches are __________ worms. Flat Round Segmented
Tell the two adaptations earthworms have to help them absorb nutrients from the soil they eat.
Really LONG intestine AND Typhlosole

4. 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 received
from other worms

5. Earthworms have a(n) __________ circulatory system. open closed
Which type of protective covering is
made of thickened fused CELLS? Tegument cuticle
tegument
Earthworms have a(n) __________
circulatory system open closed
closed

6. An earthworm stores the sperm it makes in seminal _________
An earthworm stores the sperm it makes in seminal _________ receptacles vesicles
vesicles
Digestive organ in an earthworm that stores food waiting to be digested.
crop

7. Type of coelom seen in ALL flatworms
they are acoelomates
What part of an earthworm helps with traction as it crawls?
Setae – bristles on ventral surface

8. eucoelomates
Earthworms are ________________
acoelomates pseudocoelomates eucoelomates
The thin membranes that separate the earthworm’s coelom into compartments are called ________________
Septa (sing. Septum)

9. The PRIMARY host for the beef tapeworm is ______________
The PRIMARY host for the beef tapeworm is ______________ cows pigs humans snails
humans
The digestive part that sucks in the
food and moves it down into the digestive system is the ________________.
pharynx

10. 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 waste
Makes mucous for reproduction

11. Name 4 characteristics of ALL worms
Invertebrates protostomes
Elongated bodies
Bilateral symmetry
Cephalization
Cerebal ganglia "brain"
No respiratory organs
(breathe through skin)

12. The structure on an earthworm that
Round worms are all ______________ acoelomates pseudocoelomates eucoelomates
pseudocoelomates
The structure on an earthworm that
secretes mucous for reproduction is the _____________
clitellum

13. Tube that connects the pharynx and the crop in an earthworm.
The concentration of nervous and sensory organs in the anterior end of an animal is called _______________
cephalization
Tube that connects the pharynx and the crop in an earthworm.
esophagus

14. Blood fluke Schistosoma _____________________
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

15. An earthworm stores sperm it receives from other worms in its
seminal _________________.
receptacles
The excretory organ in an earthworm is
its ___________________
nephridia

16. Where would you find setae in an earthworm?
Ventral surface
What structures act as a heart in
an earthworm to pump blood?
Aortic arches

17. Respiratory organ found in earthworms
anterior
The ____________end of the earthworm is closest to the clitellum anterior posterior
Respiratory organ found in
earthworms
Trick question… they don’t have any respiratory organs; they absorb oxygen through their skin.

18. An organism that has both male and female reproductive structures is called a _______________
hermaphrodite
Protective layer that covers the body of an earthworm and tapeworm which is NOT made of cells tegument cuticle
cuticle

19. 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”

20. Flame cells and nephridia are ____________ organs.
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

21. 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 over an earthworm’s mouth and senses light/touch is the __________________
prostomium

22. These organisms are ____________ worms. Flat round segmented flat
Image from:
These organisms are ____________ worms. Flat round segmented
flat

23. Planaria have just one opening for their digestive system. TRUE
True or False
Planaria have just one opening
for their digestive system.
TRUE
Fertilization in an earthworm happens ___________ of their bodies Inside outside
outside

24. The ability of an animal to regrow
lost body parts is called ____________________
regeneration
Muscular digestive organ where food is ground up in an earthworm.
gizzard

25. PHYLUM that includes the flatworms
Earthworms have a non-cellular ________________ to help them hold in moisture.
tegument cuticle
cuticle
PHYLUM that includes the flatworms
Platyhelminthes

26. Match the type of worm with the kind of coelom it has
acoelom pseudocoelom eucoelom
FLATWORMS ___________________
ROUND WORMS ____________________
SEGMENTED WORMS _______________
acoelom
pseudocoelom
eucoelom

27. The animal in which an adult
parasite lives and reproduces is the _____________ host primary secondary intermediate
primary
Filarial worms like the ones that cause elephantiasis and dog heartworm are carried by ______________.
insects

28. The intermediate host that carries beef tapeworm is a _______________
cow
Hookworms, round worms, pinworms, and filarial worms are all __________ worms.
Flat round segmented
round

29. 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

30. Name a worm you learned about without a digestive system?
Tapeworm
Organisms without a backbone
INVERTEBRATES

31. * proglottids Humans are infected with beef tapeworms when they
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 *

32. 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

33. The primary host for beef tapeworm is a ______________ human
An organism that has both male and female reproductive organs is called a _________________
hermaphrodite

34. * Round worms belong to the PHYLUM ______________
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

35. TELL WHICH BODY SYSTEM EACH PART BELONGS TO
Crop __________________________
Cerebral ganglia _________________
Aortic arches___________________
Nephridia _________________
Clitellum ____________________
Intestine ____________________
digestive
nervous
circulatory
excretory
reproductive
digestive

36. How is a TEGUMENT different from a CUTICLE?
Both are protective layers on outsides of worms but … A tegument is made of fused CELLS.
A cuticle is a NON-CELLULAR coating

37. GIVE THE PHYLUM FOR EACH TYPE OF WORM
FLATWORMS _______________
ROUNDWORMS _____________
SEGMENTED WORMS ______________
Platyhelminthes
Nematoda
Annelida

38. Type of circulatory system seen in earthworms
Type of fertilization seen in earthworms
CLOSED
external fertilization

39. MATCH THE COELOM with the WORM
FLAT ROUND SEGMENTED
__________ __________ ____________
Segmented
(eucoelom)
Flat (acoelom)
Round (pseudocoelom)
Images from:

40. 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

41. Type of symmetry seen in worms
bilateral
In earthworms seminal _____________
store sperm received from other worms during sexual reproduction.
receptacles

42. 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)

43. MATCH THE DIGESTIVE SYSTEM WITH THE WORM
Planaria __________________________
Tapeworms _______________________
Earthworms _______________________
Gastrovascular cavity/1 opening
No digestive system
2 openings

44. Planaria, flukes, and tapeworms are ____________ worms.
protostomes
Worms are _____________
protostomes deuterostomes
Planaria, flukes, and tapeworms are
____________ worms.
flat round segmented
flat

45. 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)

46. 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

47. NAME THE TYPE OF SYMMETRY
Radial
Bilateral
Asymmetry
Images from:

48. Earthworms and leeches are_______________ worms. flat round segmented
Type of worm you would expect to have a scolex
Tapeworm

49. Where would you find a typhlosole in an earthworm?
The hermaphroditic reproductive structures seen in tapeworms are called _______________
proglottids
Where would you find a typhlosole
in an earthworm?
Inside intestine

50. Name a kind of worm with a one opening gastrovascular cavity
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

51. 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

52. Gastro = digestive vascular = circulatory
The gastrovascular cavity in Planaria and Flukes shares the functions of which 2 different body systems?
Gastro = digestive vascular = circulatory
Where would you find a ADULT beef tapeworm living?
Inside human intestine

53. 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
Left over from breakdown of proteins
undigested food during metabolism
Digestive Excretory
Feces ammonia, urea, OR uric acid

54. Earthworms and leeches are_______________ worms. flat round segmented
Tell what an earthworm uses its
Setae for
Traction when it crawls

55. 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

56. 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

57. 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

58. Label the directions DORSAL ANTERIOR POSTERIOR VENTRAL
Animation from:

59. THE END