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| Extrinsic Limiting Factor |
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Definition
| Limiting factors that act from outside the population (sunlight, water, nutrients, food, resources competition, predation, symbiosis) |
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Definition
| delicate balance between organisms and their environment |
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| Intrinsic Limiting Factor |
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Definition
| Limiting factors that act from inside the population (change in reproductive physiology, change in behavior) |
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Definition
| Limiting factors pertaining to life (ex. competition, predation, symbiosis) |
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Definition
| Physical Limiting factors (sunlight water nutrients, food, resources) |
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| Density-dependent limiting factors |
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Definition
| limiting factors that act in proportion to how dense the population has become (competition, predation) |
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| Density-independent limiting factor |
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Definition
| Limiting factors that have the same effect regardless of how dense the population has become (forest fire, tidal wave) |
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Definition
| stresses the importances of disturbances, lack of balance in nature |
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| Forces that disrupt a natural ecosystem (biotic-disease, parasites abiotic-forest fire, flood) |
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Definition
| Occurs when two or more organisms use the same resource in a way that affects the birth rate or death rate of the competitors (extrinsic, density-dependent limiting factor) |
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Term
| Intraspecific Competition |
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Definition
| Competition between members of the same species (more intense-same needs) |
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Term
| Interspecific competition |
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Definition
| Competition between members of different species |
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Definition
| The ecological role that a species plays in a biological community (job) |
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Definition
| Directly affects intensity of competition, different species have different niches |
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Definition
| (address) natural environment of an organism |
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Definition
| full potential of species without competition |
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Definition
| narrower niche of organism forced by competition |
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Definition
| occurs when one species is a better competitor than another, and forces it into local extinction |
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Definition
| Opposite of competition, both are important factors in the regulation of natural populations, same environment, use resources differently |
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| Mixed species foraging flock |
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Definition
| Different species of flocks that specialize in different feeding zones, have higher rate of food capture than solitary birds |
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Definition
| live in the same geographic area, same habitat, use it at same time of day, but exploit the resource in a different way |
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Definition
| method of coexistence, modify your physical shape through natural selection |
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Definition
| Exploit resources by using them up (exploitative) everyone gets at least some of the resources |
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Definition
| engage in a face to face contest over limiting resources (interference) winner takes all |
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Definition
| Any area that an animal defends against other animals usually against same species |
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Definition
| The behavior of an animal in defining and defending its territory |
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Definition
| Territorial males without territory is without a mate |
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Definition
| Any organism that eats another organism |
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Definition
| Organism that is killed or injured |
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Definition
| Insects lay their eggs in hosts (often paralyzed) young hatch, eat host alive |
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Definition
| Feed on prey but don't kill it |
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| hide, wait for prey to come to them |
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Definition
| pattern of color characteristic of a poisonous or unpalatable organism, as the skunk or the monarch butterfly, that functions as a warning to and defense against predators |
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Definition
| a change in one organism causes another to evolve as a result |
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Definition
| populations of predators and prey settled down into a regular series of cycles |
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Definition
| predators that the proper function of the ecosystem depends on |
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Definition
| examines the ways in which behavior is adaptive, how behavior varies, how it evolves |
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Definition
| bats, eat mainly flowers, fruit, nectar |
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Definition
| smaller bats that feed on insects, mostly captured in flight |
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Definition
| special case of natural selection, males fight (possibly to death) for la vag |
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Definition
| males compete to attract female |
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Definition
| females actively select their desired mate |
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| Borgia, males appearance, his ability to thrive, suggest that he has good genes, great for baby making |
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Definition
| Zahavi, if male can carry around huge tails or anthers and still avoid predators, feed himself, etc... he must be awesome |
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Definition
| Darwin, maybe females simply like the way you look. Appearance is important |
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Definition
| fisher, traits become reinforced generation after generation until it is greatly exaggerated, can be a dangerous burden |
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Definition
| linear sequence of dominant and subdominant males |
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Definition
| dominance hierarchy within a pack or herd |
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Definition
| elaborate ritualized behaviors that include songs and dances |
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Definition
| the number of songs a bird can sing, directly correlated to a male's reproductive success |
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Definition
| a courtship behavior shared by many animals; offer a potential mate a juicy morsel (berry or juicy grub) which shows interest and ability to get food in the wild |
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Definition
| courtship arenas in which many birds gather to perform for groups of females |
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Definition
| build bowers to court females; polygnous |
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Definition
| little structures built by bowerbirds to attract a mate |
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Definition
| one male mates with multiple females; ex: bowerbirds |
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Term
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Definition
| built by juvenile bowerbirds years befoe they attract a mate; intended to be used as practice; males wreck the practice bowers before mating season |
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Definition
| certain physical traits attract mate; the traits become replaced by external objects, or bower decorations |
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