| A | B |
|---|
What are the common names of the three worm phyla?, 
| flat worms, round worms, segmented worms |
| Nematoda is the scientific name for the ______ phylum,
| roundworm |
| Annelida is the scientific name for the _____ phylum,
| segmented worm |
| Name a common fresh water flatworm that is free-living. | planaria,
|
| A long parasitic flatworm that lives in human intestines is called a ____.,
| tape worm |
| All of the worm phyla have ______ symmetry.,
| bilateral,
|
| Name three different types of common flatworms. | planaria, tapeworms, flukes,
|
| What type of cells do flatworms use to collect waste for excretion. | flame cells |
| Flame cells work like a primitive _______ in the excretory system.,
| kidney |
| Flame cells are used by ______ in their _______ systems | flatworms, excretory,
|
| The ________ system in flatworms has a branched construction. | digestive,
|
| The ________ system in flatworms has a ladder-like construction. | nervous |
| Flatworms possibly evolved from the _______ stage of ________ due to the fact that both are flat and have ____ for movement | planula, cnidarians, cilia,
|
| What are the three embryonic tissue layers in all worms called? | endoderm, mesoderm, ectoderm,
|
| __________ muscles help a flatworm get shorter and bend. | longitudinal,
|
| _______ muscles help flatworms get thinner. | circular |
| In which worm phylum do organisms still take in food and get rid of waste out of the same opening?,
| flatworms |
| Another word for body cavity is _____. | coelom,
|
| What do worms have in common with all animals? | They are multicellular consumers without cell walls,
|
| Name two parasitic flatworms.,
| tapeworm and fluke |
| The tube-like mouth on a planaria is located on the _____ side of its body.,
| ventral,
|
| How do all worms get oxygen and get rid of carbon dioxide?,
| diffusion,
|
| What grows from the mesoderm?,
| muscles and organs |
| Which of the worm phyla has no body cavity surrounding the digestive tract?,
| flatworms |
| What does the endoderm line?,
| the gut (digestive tract) |
| Which organ produces sperm in worms? | Testes,
|
| Which organ produces eggs in worms? | Ovary,
|
| How can you avoid getting infected with tapeworms or flukes? | Cook your meat thoroughly to kill the cysts. |
Which system is pictured in this planaria?,  ,
| reproductive system, ,
|
What is the name of this organism and what phylum is it in?,  ,
| tapeworm, flatworm phylum, |
What is the name of this organism and what phylum is it in?,  | planaria, flatworm phylum, ,
|
What system of the planaria is shown here and how is it described?,  ,
| Nervous system with ladder-like construction, |
What is the name of this organism and what phylum is it in?,  | fluke, flatworm phylum, |
What system of the planaria is shown here and how is it described?,  ,
| digestive system which is branched to allow digested food to diffuse to outer cells more easily, ,
|
What system of the planaria is shown here and what is its purpose?,  ,
| excretory system to get rid of liquid waste, ,
|
| What is the latin name of the round worm phylum?,
| Nematoda,
|
| What is the Latin name of the segmented worm phylum? | Annelida |
| Which phylum includes parasitic worms like hookworms and pinworms?,
| roundworm phylum (Nematoda),
|
| Which phylum contains the most different species of worms? | roundworm phylum (Nematoda),
|
| Which phylum of worms might you find up to 4 million individuals in a square meter of soil?,
| roundworm phylum (Nematoda),
|
| What is the structure called that earthworms use to clean their blood ? | nephridia,
|
| The earthworm uses nephridia to clean the blood as part of the ________ system.,
| excretory,
|
| Which organism that you have studied has five hearts? | earthworm |
| The phylum of worms that are pseudocoelomates is ____.,
| roundworms |
| Animals that are coelomates have a ____.,
| true body cavity lined with mesoderm.,
|
The tissue layer that is shaded blue is known as the ____.,  | ectoderm, ,
|
| The tissue layer that is shaded red is known as the ____., | mesoderm, ,
|
| The tissue layer that lines the gut and is shaded yellow is known as the ____., | endoderm, ,
|
The arrow labeled # 4 is pointing to the _____.,  | gonads (sex organs), ,
|
| The arrow labeled #5 is pointing to the part of the digestive tract known as the ____., | crop, |
| The arrow labeled #6 is pointing to the part of the digestive tract known as the _____., | gizzard, |
| The job of the gizzard in an earthworm is to ____. | grind up food |
| The portion of the digestive tract that is below the arrow labeled #6 is called the ____., | intestine, |
| The thin tissues that divides each segment of an earthworm are known as the ____.. | septa |
| How do all worms breathe? | oxygen diffuses through the skin? |
| What is a closed circulatory system? | It's a sytem where blood stays inside a network of blood vessels at all times |
| Which of the worm phyla have a closed circulatory system?,
| segmented worms (Annelida) |
| Where does food become completely digested and is then able to diffuse out of the digestive tract into the bloodstream? | intestine |
