Term
|
Definition
both species benifit from each other (+/+)
trophic :utilize a common resource
defensive:animal protects a plant or herbivore |
|
|
Term
|
Definition
| pollination and seed dispersal |
|
|
Term
|
Definition
one species benefits while the other niether benefits nor is harmed
(+/0) |
|
|
Term
|
Definition
different species compete for the same resource
(-/-) |
|
|
Term
| intraspecific comptetition |
|
Definition
| competition within the same species |
|
|
Term
| interspecific competition |
|
Definition
| competition between individuals of different species |
|
|
Term
|
Definition
| compete for the same resource but never physically come into contact with each other |
|
|
Term
|
Definition
| direct contact by physical force or intimidation |
|
|
Term
|
Definition
| all environmental features that are neccesary for an organism to live in an area |
|
|
Term
|
Definition
| an area in which a species CAN exist |
|
|
Term
|
Definition
| where an organism actually DOES exist |
|
|
Term
|
Definition
|
|
Term
|
Definition
| different geographic area |
|
|
Term
|
Definition
| bright coloration that warn the predator that it does not taste good |
|
|
Term
|
Definition
|
|
Term
|
Definition
| resemble another organism |
|
|
Term
|
Definition
| palatable mimic resembling unpalatable model |
|
|
Term
|
Definition
| noxious species converge to reinforce warning. |
|
|
Term
|
Definition
| one organism uses another for transportation |
|
|
Term
|
Definition
| a species resembles something else for their benefit |
|
|
Term
| bottom-up conceptual model |
|
Definition
| food limitation controls the population size |
|
|
Term
| top-down conceptual model |
|
Definition
| natural predators control population size |
|
|
Term
| ecosystem exploitation hypothesis |
|
Definition
| strength of mortality factors varies with availability of plant biomass involved |
|
|
Term
|
Definition
| number of species in each community |
|
|
Term
|
Definition
| gradual and continuous change in species composition and comunity structure over time |
|
|
Term
|
Definition
succession of an area not previously occupied by soil and vegetation
(virgin ground) |
|
|
Term
|
Definition
| succession on a site that has already supported life but has undergone a disturbance such as fire, tornados, hurricanes or floods |
|
|
Term
|
Definition
affects distribution of organisms : temperature, ph level, salinity, wind, water, light...
|
|
|
Term
|
Definition
| other organisms affect distribution: cometition, mutualism, parasitism |
|
|
Term
|
Definition
| produce all offspring at once and die |
|
|
Term
|
Definition
| reproduce whenever they want |
|
|
Term
| competetive exclusion principle |
|
Definition
two organisms can not compete for the same resource indefinately
(one will become extinct) |
|
|
Term
|
Definition
| lack chlorophyll and are totally dependent on the host plant for their water and nutrients |
|
|
Term
|
Definition
| generally do photosynthesize, but they lack a root system to draw water and thus depend on their hosts for that function |
|
|
Term
| predation, herivory, parasitism |
|
Definition
affects one species well and the other species is harmed
(+/-) |
|
|
Term
|
Definition
affects one species negatively and the other species is niether helped nor harmed
(-/0) |
|
|
Term
|
Definition
neither species is helped or harmed
(0/0) |
|
|
