1. September 10, 2013 TEST tomorrow Open journals Copy graphic organizer on board Get ready to take notes on symbiotic relationships

2. Parasite Terminology Parasite – an organism that lives in or on another organism, generally without killing it. It comes from the Greek “one who eats off the table of another”. Ichneumon wasps are parasites on caterpillars.

3. Parasite Terminology Host – the organism which is the home and/or food source for the parasite The host is harmed!

4. Parasite Terminology Intermediate Host – a secondary host in which the parasite matures. The intermediate host for cat tapeworm is the flea. TapewormIntermediate host/vector

5. Parasite Terminology Vector – how the parasite gets from host to host (usually an arthropod). The parasite may develop into the infective state while in the vector. Microsoft Clip Art

6. Heartworm Mosquitoes are the vector for dog heartworm Heartworm belongs to the roundworm phylum http://www.secondchanceboxer.com/heartworm.jpg

7. Sample Life Cycle: The Guinea Worm

8. What can a parasite do to you?

9. Ichneumon wasp larva, having lived on caterpillar tissue, are now pupating on the outside. They eat in such a way as to avoid major organs, keeping their host alive. http://homeharvest.com/homeharvest2000pics/parsitizedcaterpillersm.jpg

10. Onchocerciasis River blindness is caused by a roundworm and transmitted by black flies

11. Variations on Parasitism o Parasitism – when one organism benefits from the relationship, and the other is harmed. o Type of symbiotic relationship o Other symbiotic relationships o Mutualism o Commensalism

12. September 11, 2013 Please clear your desk and have your pencil ready for your TEST After TEST, check your answers! Turn in test, open journal and copy the graphic organizer.

13. Symbiotic Relationships MutualismBoth Benefit Ex: Oxpeekers feed on ticks on rhinos Commensalism One Benefits One not harmed or helped Ex: Barnacles attach to whales for homes Parasitism One Benefits One Harmed Ex: Flea feeding on mouse's blood

14. Mutualism - both organisms benefit from the relationship.

15. Commensalism – one of the organisms benefits. The other is neither harmed or helped. viridescens) creates feeding opportunities for smaller fish by moving large rocks too big for them to shift themselves.

16. Science Journal – 9-5-13 1.Is this relationship parasitism or commensalism? 2.Why do you say so?