Nutrition and Diet GCSE Biology 91

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=GXTLvCrFl2o

In this Biology video, I discuss three types of symbiotic relationships. • Mutualism,commensalism,and parasitism. • A symbiotic relationship is a close relationship between two different species. • Mutualism is when both organisms benefit from the symbiotic relationship. • Commensalism is when one organism benefits and the other organism is not impacted. • Parasitism is when one organism benefits and the other is harmed. • • Symbiotic Relationships-Definition an... • Animal Relationships • http://www.factmonster.com/ipka/A0776... • Ecosystems • • What are Ecosystems? • ~-~~-~~~-~~-~ • Please watch: Study Skills Teacher's Secret Guide to your Best Grades • • My new book-Study Skills Teacher's Se... • ~-~~-~~~-~~-~ • * • * • For more Life Science videos and summaries see, • http://www.moomoomath.com/Middle-Scho...

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