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Worm Review

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

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Worm Review

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  1. Worm Review

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

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

  4. Provide traction in crawling MATCH THE EARTHWORM BODY PART WITH ITS FUNCTION Setae __________________________ Aortic arches ____________________ Cerebral ganglia _________________ Seminal vesicles _________________ Seminal receptacles________________ Act as heart to pump blood Act as brain Store sperm made by this worm Store sperm received from other worms

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

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

  7. 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

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

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

  10. Stores food waiting to be digested MATCH THE EARTHWORM BODY PART WITH ITS FUNCTION Crop __________________________ Typhlosole _______________________ Gizzard ___________________ Nephridia _________________ Clitellum ____________________ Increases surface area to absorb more nutrients Grinds and mashes up food Excretes nitrogen waste Makes mucous for reproduction

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

  12. pseudocoelomates Round worms are all ______________acoelomates pseudocoelomates eucoelomates The structure on an earthworm that secretes mucous for reproduction isthe _____________ clitellum

  13. 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

  14. MATCH THE WORM WITH THE WAY IT IS TRANSMITTED TO HUMANS Blood fluke Schistosoma _____________________ Intestinal round wormAscaris _________________________ Beef Tapeworm ___________________ Pork roundworm Trichinella ___________________ Burrow through skin contaminated food or water Eating undercooked meat containing cysts Eating undercooked meat containing cysts

  15. receptacles An earthworm stores sperm itreceives from other worms in its seminal _________________. 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. 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 maleand female reproductive structures is called a _______________ hermaphrodite Protective layer that covers thebody of an earthworm and tapewormwhich is NOT made of cellstegument cuticle cuticle

  19. Flame cells The excretory organs in flatwormsare the __________________ In Latin the name Annelida means________________. slender body few bristles crawling tube little rings “little rings”

  20. seminal vesicles The male genital pores are openings to the __________________ 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 overan earthworm’s mouth and senses light/touch is the__________________ prostomium

  22. These organismsare ____________ worms.Flat round segmented flat

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

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

  25. cuticle Earthworms have a________________ to help them hold in moisture. tegument cuticle PHYLUM that includes the flatworms Platyhelminthes

  26. Match the type of worm with the kind of coelom it has acoelomates pseudocoelomates eucoelomates FLATWORMS ___________________ ROUND WORMS ____________________ SEGMENTED WORMS _______________ acoelomates pseudocoelomates eucoelomates

  27. primary The animal in which an adult parasite lives and reproduces is the_____________ host.primary secondary intermediate Filarial worms like the ones thatcause elephantiasis and dog heartwormare carried by ______________. insects

  28. cow The intermediate host that carries beef tapeworm is a _______________ 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 Give an example of a worm with a cuticle Earthworms OR Round worms

  30. How is the digestive system of round worms different from that of flatworms? Roundworms have a complete digestive system with 2 openings (mouth & anus) Flatworms Planaria & Flukes: have a gastrovascular cavity with only 1 opening (only mouth/NO ANUS) Tapeworms: have NO digestive system

  31. proglottids The hermaphroditic reproductive segments released by tapeworms are called ______________ Humans are infected with beef tapeworms when they drink contaminated water get bitten by a mosquito carrying the larvae eat under cooked meat 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. human The primary host for beef tapeworm is a ______________ An organism that has both maleand female reproductive organs is called a _________________ hermaphrodite

  34. * Ascaris eggs enter the body of a human when the host ingests contaminated water or food host is bitten by a mosquito carrying the larvae larvae burrow through the skin eating undercooked meat containing cysts Round worms belong to the PHYLUM ______________ Nematoda

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

  36. 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

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

  38. In addition to worm characteristics Flatworms: Are Platyhelminthes Are ACOELOMATESHave FLAME CELLS to remove nitrogen waste/water Have OPEN circulation Most are HERMAPHRODITES Name 3 characteristics of ALL FLATWORMS

  39. In addition to worm characteristics Round worms: Nematoda PSEUDOCOELOMATESHave a 2 opening digestive system Have SEPARATE SEXES (male & female worms) Name 3 characteristics of ALL ROUND WORMS

  40. In addition to worm characteristics Segmented worms: Annelida Are EUCOELOMATESHave a 2 opening digestive system Have NEPHRIDIA to remove nitrogen waste/water Have CLOSED circulation Are HERMAPHRODITES Name 3 characteristics of ALL SEGMENTED WORMS

  41. bilateral Type of symmetry seen in worms In earthworms seminal _____________ store sperm received from other wormsduring 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 _______________________ Round worms _____________________Flukes ____________________________ Gastrovascular cavity/1 opening No digestive system Complex/2 openings Complex/2 openings Gastrovascular cavity/1 opening

  44. 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 flame cells Flatworms have ____________ to excrete nitrogen waste and remove excess water

  47. Give an example of a worm with a tegument Tapeworms or Flukes The function of the tegument is to ___________________________ Protect worm from host’s digestive enzymes and immune system

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

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

  50. Which kind of worm lives inside your intestine and crawls out at night to glue eggs to your skin? pinworms Name a kind of worm with a one opening gastrovascular cavity Planaria OR flukes

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