behavioral biology evolution of social systems. societies groups of organisms of the same species...
Post on 20-Dec-2015
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Benefits of Sociality
• Kin Selection
• Decreased Predation Risk
• Increased Feeding Sources
• Increased Hunting Success
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
Honeybee Society
• Caste system – Division of Duties
– Drone
• Haploid Male
• Duty: Find the queen and mate
• Dies after reproduces (2 seconds!)
Honeybee Society
• Caste system – Division of Duties
– Worker
• Diploid female with ovaries suppressed
• Duty: Everything except laying eggs
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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