This knob-like head with hooks and suckers is called a
Image from: http://www.microscopyu.com/galleries/smz1500/images/tapewormscolexsmall.jpg
Tell a kind of worm you would expect to see #1 in.
#3. What kind of coelom do all Flatworms have?
#4. Name the PHYLUM for ROUNDWORMS.
Hookworms, pinworms, Ascaris, Trichinella, and
filarial worms are __________ worms.
______________ are excretory organs in earthworms.
A. insect bites
B. eating food/water contaminated with eggs
C. larvae burrowing through the skin
D. eating undercooked meat containing cysts
Which part acts as an earthworm’s brain?
The animal in which adult parasitic worms live and reproduce is called the
Planaria and flukes have a ONE opening shared digestive/circulatory space called
a ______________ for digesting food.
An animal with both male and female reproductive organs is called a(n)
The ridge inside an earthworm’s intestine that increases surface area is
Name the type of FLATWORM with no mouth, anus, or digestive organs.
The larval form of the blood fluke Schistosoma
lives in what animal?
Which form of nitrogen waste is excreted by earthworms?
Earthworms have ______________ fertilization and
internal or external direct or indirect
#17. Excretory organs in FLATWORMS like Planaria are called ______________
#18. These hermaphroditic reproductive structures seen in tapeworms are called
Image from: http://www.biosci.ohio-state.edu/~parasite/labeled_taenia.html
Worms that are transmitted by insects are called _______________ worms.
A _______________ is a layer made of FUSED CELLS that protects tapeworms and
Part in an earthworm where food is ground up and digestion happens.
Name a worm that can reproduce ASEXUALLY.
#23. Name the KINGDOM, PHYLUM, and CLASS for Earthworms.
|#24. Which type of coelom is found in round worms?||Image
A B C
Name 3 characteristics shared by all worms.
#26. Tell one way digestive waste is different from nitrogen waste.
|#27. This flap of tissue that overhangs
the earthworm's mouth is called the__________________________
#28. Tell something #27 can sense.
Image by Riedell/VanderWal © 2005
#29. Give the body system for cerebral ganglia.
#30. Give the function for SETAE.
7. C - larvae burrow into skin
8. cerebral ganglia
9. primary host
10. gastrovascular cavity
16. external fertilization & direct development
17. flame cells
23. Animalia, Annelida, Oligochaeta
24. Round worms have a pseudocoelom (A)
25. Invertebrates, protostomes, elongated bodies, cephalization, bilateral symmmetry, cerebral ganglia for brain, breathe through skin
|DIGESTIVE WASTE||NITROGEN WASTE|
|Comes from leftover undigested food||made by body cells during metabolism of proteins|
|Handled by digestive system||Handled by excretory system|
|feces||ammonia, urea, uric acid|
28. light/dark or chemicals (food)
30. provide traction