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Behavioral Biology

Explore the fascinating social systems of honeybees and their division of duties within the caste system. Learn about the roles of the queen, worker bees, and drones in this intriguing society.

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Behavioral Biology

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  1. Behavioral Biology Evolution of Social Systems

  2. Societies • Groups of organisms of the same species which cooperate to exist.

  3. Benefits of Sociality • Kin Selection • Decreased Predation Risk • Increased Feeding Sources • Increased Hunting Success

  4. Insect Societies • Hymenoptera • Honeybees • Leaf-cutter ants • Isoptera • Termites

  5. Honeybee Society • Caste system – Division of Duties • Queen • Diploid female • Duty: Reproduction • Produces ‘Queen substance’ • Lays 1500 eggs/day till death or runs out of sperm

  6. Honeybee Society Which one is the Queen?

  7. Honeybee Societies Queen Cell

  8. Honeybee Society • Caste system – Division of Duties • Drone • Haploid Male • Duty: Find the queen and mate • Dies after reproduces (2 seconds!)

  9. Honeybee Societies Workers Drone

  10. Honeybee Societies Drone Cells

  11. Honeybee Society • Caste system – Division of Duties • Worker • Diploid female with ovaries suppressed • Duty: Everything except laying eggs

  12. Honeybee Society

  13. Honeybee Society Workers ‘Festooning’

  14. Honeybee Society Worker ‘Scenting’ to Signal Disturbance

  15. Bibliography • Raven, Peter H. Et al. 2008. Biology, 8th ed. McGraw Hill Higher Education. New York, NY. • All photos are by D. Hautau, Alpena Community College. hautaud@alpenacc.edu

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