Further studies of behaviour

Option E6

E.6.1: Social organization of honey bee colonies and ant colonies.

Place your mouse on the Figures 1 & 2 to view the social organization of ant colonies.

Figure 1: How the caste system is determined in bee and ant colonies.

Caste system in bees and ants

Figure 2: The caste system in bee and ant colonies.

How natural selection acts on a colony

E.6.2: How natural selection may act at the level of the colony?

Place your mouse on the figure to see how natural selection may act on the colony.

How natural selection acts on a colony

E.6.3: Examples of the evolution of altruistic behaviour.

Honey bee example of altruistic behaviour
Slime mold example of altruistic behaviour

E.6.4: Examples of how foraging behaviour optimizes food intake.

Characteristics of foraging behaviour

Crow prey-dropping behaviour

Crow prey-dropping behaviour

Size-selection by bluegill sunfish

Size-selection by bluegill sunfish

E.6.5: How does mate selection lead to exaggerated traits?

Exaggerated traits explained

E.6.6 & E.6.7: Examples illustrating the adaptive value of rhythmical behaviour patterns.

Animals show rhythmical variations in activity.

Sexual behaviour in red deer

Red deer mating behaviour

Nocturnal behaviour of moonrats

Nocturnal behaviour moonrat
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