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Snail populations - PowerPoint PPT Presentation

7. The Adaptive Significance of of Sex

7. The Adaptive Significance of of Sex. Why is sexual reproduction so common in multicellular organisms?. Sex is costly and dangerous. Energetic costs: mate finding, courtship, male - male competition Increased predation risk Disease: STDs

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475 views • 25 slides

Bell Ringer

Bell Ringer. What would happen to the slug if all the leaves were removed ? Why ? 2. What would happen to the frogs if the Herons were removed? Why?. Bell Ringer. What would happen to the slug if all the leaves were removed ? Why ? Slug population would decrease.

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363 views • 20 slides

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Snail populations - PowerPoint PPT Presentation

7. The Adaptive Significance of of Sex

Bell Ringer