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23 Cards in this Set
- Front
- Back
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What are the benefits of living in a group?
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Protection against predators
Ease of finding food Ease of finding mates Dividing up labor (e.g. rearing young) |
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What are the disadvantages of living in a group?
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Competition between members
Spread of disease greater Loss of reproduction due to competition |
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The naked mole rat is one of the two species of mammals that exhibit __________.
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Eusociality
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Describe the naked mole rat's social structure, in regards to the roles of males and females.
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They have a complex social structure in which only one female (the queen) and one to three males reproduce, while the rest of the members of the colony function as workers.
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A behavior called __________ ___________ is believed to be the reason why the other females do not reproduce, meaning that the infertility in the working females is only temporary, and not genetic.
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Reproductive Suppression
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Meerkats demonstrate ________ behavior within their colonies
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Altruistic
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Describe the female transfer system in primate social behavior.
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Females move away from the group in which they were born. Females of a group will not be closely related whereas males will have remained with their natal groups.
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Describe the male transfer system in primate social behavior.
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While the females remain in their natal groups, the males will emigrate as adolescents. Polygynous and multi-male societies are classed in this category. Group sizes are usually larger.
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Name the three main ecological factors that affect primate social systems.
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Distribution of resources
Group size Predation |
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The type of behavior pattern used during conflict with a conspecific, including overt aggression, threats, and retreats
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Agnostic behavior
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The direct inhibition of one species by another using noxious or toxic chemicals.
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Allelopathic
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Type of behavior that reduces personal fitness for the benefit of others.
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Altruistic behavior
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Different organisms living in close association with each other. One is benefited and the other is neither benefited nor harmed.
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Commensalism
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The hypothesis that two or more species cannot coexist on a single resource that is limiting to both.
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Competitive Exclusion Principle
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Individuals or populations of the same species
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Conspecific
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Activity concentrated near sunrise and sunset
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Crepuscular
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In communication, signals that are all or none.
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Discrete
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Movements that occur within the lifetime of the individual or a long-term movement pattern involving species in a historical zoogeographic sense
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Dispersal
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Behavior patterns that convey messages from one individual to another
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Displays
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Active primarily during the daylight hours and quiescent at night.
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Diurnal
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The movement of individuals out of a population.
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Emigration
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A social system involving reproductive division of labor, castes, and cooperative rearing of young by members of previous generations.
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Eusociality
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A type of competition in which organisms passively use up resources.
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Exploitation competition
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