Foraging Behavior Using ants to explore ecology. Foraging behaviors Organisms should have behaviors which minimize –Search for food –Food handling.

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Presentation transcript:

Foraging Behavior Using ants to explore ecology

Foraging behaviors Organisms should have behaviors which minimize –Search for food –Food handling

Ants are insects Six legs 3 body parts –Head, Thorax and Abdomen

Mandibles

Chemical sensors/communication Ants have more than 20 different chemicals they can use for sending information to one another

Leaf cutter ants have enlarged heads for leaf cutting

Queen Ant

Males for mating only

Female Workers

Examples of Ant foraging Symbiotic/mutualism ++ Herbivory - + Predation +- Parasitic + - Competition --

Mutualism: Ants and Acacias Acacia provides: –Food –Home Ant provides –Protection –Competitive advantage

Mutualism: Ants and Scale

Mutualism: Ants and Butterflies

Herbivory: Leaf cutter ants

Leafcutter harvesting fungus

Predators: Ants killing worm

Parasites: Slaver ants killing queen

Parasites: Enslaving ants

Parasites: Slaver ants with enslaved worker ants

Conclusions Ants are ideal study organisms –Small –Ubiquitous –Truly fascinating

Scientific report Introduction –State hypotheses tested Methods –Explain how you composed the experiment Results –Include graphs and figures Discussion –Explain the relevance of the study