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Ch. 12 part 2
Blume-Life Science
| Question | Answer |
|---|---|
| Flukes are ________ with a complex life cycle that requires more than one ____________. | parasites;host |
| Most flukes reproduce __________. | sexually |
| Flukes cause ___________, a potentially fatal blood disease, in humans. | Schislosomiasis |
| Tapeworms are parasites that live in the _______ of a host animal. | intestines |
| Tapeworms _____________ food digested by the ________. | absorb;host |
| Flatworms have ______________ symmetry. | bilateral |
| Roundworms are called ____. | nematodes |
| They have 2 body openings- a ___________ and an __________. | mouth;anus |
| Many round worms are plant and animal ____________; they can cause __________ in humans. | parasited; trichinosis |
| Some roundworms are ________ because they ________. They are essential in developing healthy ___________. | beneficial;pests;soil |
| How does a tapeoworm eat? | It attaches to a hosts intestine and then it absorbs what the host has digested. |
| See number 62 for the steps of the lifecycle of a fluke | See number 62 for the steps of the lifecycle of a fluke |
| Look at # 63 STUDY THE MAP | Look at # 63 STUDY THE MAP |
| Study #64-65 | Study #64-65 |
| Most spinges are _________ and ____________. | asymmetrical;sesile |
| A sponge body is a hollow _____ with one opening at the top and many small ______ along the body tube. | tube;pores |
| THey often have ____________ or ________ for protection and support. | spongin;spicules |
| The ____________ have flagellum that help move water into and through the sponge. | collar-cells |
| Most cnidarians live in ________ water. | salt |
| Most cnidarians have two body __________. | forms |
| The _____ is _______-shaped and sessile. | polyp;vase |
| The _________is__________-shaped and free swimming | medusa;bell |
| Most cnidarians have______with_________ to help capture food. | tentacles;stinging cells |
| Cnidairians are ______________. predators | Most of their fossils are __________. corals |
| Worms are _______________ with soft bodies,______ symmetry, and _________ tissue layers organized into organs and organ systems. | invertebrates;bilateral;three |
| _______ are free-living flatworms that feed on small organisms or dead bodies of larger organims.They can _________ asexually or sexually; they lay_______. | planarians;reproduce;eggs |
| Most planariana live under __________,on ________ material, or in ________. | rocks;plant;freshwater |
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