WORM PARTS Make up quiz

#1. Name these structures. #2. Give a function for #1 #3. Tell the body system for #1.

Use your direction words to label the following #5 #6 #7 #8

#10. This layer is ________________. #9 Name this white layer that can be peeled off the surface of an earthworm. #10. This layer is ________________. made of cells non-cellular

#11. Name this dark line that can be seen through the skin here. #12. Name the body system for #11.

dorsal The ___________surface is facing you in this view of the earthworm. dorsal ventral How can you tell? Can see clitellum on this side, it doesn’t go all the way around on ventral surface

#23. Name these large light colored sacs. ______________ #24. Give a function for #23. #25. Name these small light colored sacs. #26. Give a function for #25. #27. Tell the body system for #23 & #25. #23 #25

#29. This opening connects to the _______________ inside. pharynx #28 #28. Name this opening #29. This opening connects to the _______________ inside. pharynx

#29. Name this line that runs along from the #28 opening down to the ring.

#31 #31. The flap that covers and protects the worm’s mouth is called the ___________________ #32. Give a function for #31. (You can’t use cover and protect mouth)

#37. If you ran your finger along the “tummy” of this worm, you would feel bristles called _____________ #38. Give a function for #37.

#39. Name this ring that encircles an Earthworm’s body. #40. Give a function for #39. #41. Give a body system for #39. ___________________

#45. Name these dividing walls. (red arrows)

#46. Name these tubules. (blue arrows) #47. Give a function for #46. #48. Tell the body system for #46.

BONUS: Tell what kind of nitrogen waste earthworms excrete.

crop gizzard A= _____________ B = _____________ A Hint: A is squishy B is hard B A crop A= _____________ B = _____________ gizzard

intestine absorb nutrients Structure A = __________ It’s function is to ____________________ absorb nutrients grind food store food excrete nitrogen waste

gizzard The function of the ______________ is to grind up the food. In an earthworm the function of the _____________ is to excrete nitrogen waste and regulate water. nephridia

The ____________ connects the pharynx with the crop. esophagus receptacles Seminal ____________ store sperm collected from other worms.

intestine Male genital pore nephridia cuticle testis Tell which body part is involved in each function in an Earthworm: Absorb nutrients __________________ Opening for sperm from this worm to exit when it trades ____________________ Excrete nitrogen waste _______________ Protective coating _________________ Pull food into digestive system__________ Produce eggs____________ Produce sperm ______________ intestine Male genital pore nephridia cuticle pharynx ovary testis

Each of these blue dividers that separate the segments inside into compartments is a ____________ Septum (pl. septa)

The head of a tapeworm that contains hooks and suckers for attachement is called a __________ scolex