FINAL EXAM - Selection Flashcards
Intersexual Selection
The selection of an individual of one sex for mating by on individual of the other sex
Intrasexual Selection
When individuals of the same sex sometimes compete with one another to obtain mates
Sexual Dimorphism
Explains why some traits differ between the sexes of the same species
Proximate Causation
Explains how actions occur in terms of the genetic, neurological, hormonal, and skeletal-muscular mechanism involved
Ultimate Causation
Explains why actions occur-based on their evolutionary consequences and history
Innate Behavior
Behavior that is inherited and passed genetically from parents to offspring
Fitnes Trade-Offs
Inescapable compromises between two traits that cannot be optimized simultaneously
Endemic Species
Species that are found in a particular area and nowhere else
Biodiversity Hotspot
Regions that are in most urgent need of conservation action
Endangered Species
A species whose numbers have decreased so drastically that is is almost certain to go extinct unless effective conservation programs are put in place
Habitat Degredation
A reduction in the quality of a habitat
Habitat Fragmentation
Dividing contagious areas of natural habitats into small, isolated fragments
Overexploitation
Any sustainable removal of organisms from the natural environment for use by humans
Exotic Species
Non native species that are introduced to new areas
Invasive Species
Species that disrupt species native to the area
Sustainability
The managed use of resources at a rate only as high as the rate at which they are replaced
Seed Banks
Long-term storage facilities
Ex Situ Conservation
The presentation of species in zoos, aquaria, or other artificial settings
WIldlife Corridors
Strips of underdeveloped habitats that connect preserved areas
