Term
|
Definition
| creation of totally new species or genus over long periods of time |
|
|
Term
| Patterns of specification |
|
Definition
|
|
Term
|
Definition
| straight line from one to another |
|
|
Term
|
Definition
| branching from one into two |
|
|
Term
|
Definition
| genes move from one species into another (hybrid) |
|
|
Term
| Barriers producing reproductive isolation (2x) |
|
Definition
prezygotic-prevent sperm/egg of different species from meeting
poszygotic-after fertilization |
|
|
Term
|
Definition
| habitat isolation, temporal isolation, behaivoral, mechanical isolation, gametic isolation |
|
|
Term
|
Definition
| lions/tigers area don't overlap |
|
|
Term
|
Definition
|
|
Term
|
Definition
| fireflies (aggresive mimikry) |
|
|
Term
|
Definition
| size, design, parts don't fit |
|
|
Term
|
Definition
| female tract is hostile to sperm (pollen) |
|
|
Term
|
Definition
| hybrid inviability, hybrid sterility, hybrid breakdown |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| produce fertile young but over generations offsrping become less fit and fewer in # |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| order, expirience diff stresses than others beside |
|
|
Term
|
Definition
| random, mutants living in normal pop...wheat species (tetraploid) |
|
|
Term
|
Definition
| self pollunating plant error in meiosis |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| punctuated equilibrium, gould & Eldridge |
|
|
Term
|
Definition
| species undergo long static periods of stasis but are interupted by bursts of evolutionary change |
|
|
Term
|
Definition
|
|
Term
|
Definition
| energy is neither created or destroyed, once used it is less available to do more work |
|
|
Term
|
Definition
| 6co2 + 12h2o ==> c6h12o6 + 6h2o |
|
|
Term
| organic compounds contain... |
|
Definition
|
|
Term
|
Definition
| primary producers, plants, phytoplankton, bluegreen algae |
|
|
Term
|
Definition
| secondary producers, herbivore, |
|
|
Term
|
Definition
| eat herbivores "primary carnivore" |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| eat organic remains...mud snake |
|
|
Term
|
Definition
| break down dead material, bacteria fungi |
|
|
Term
|
Definition
| break down plant material |
|
|
Term
|
Definition
| Mutations (defining genes) with a phenotype in which a given cell develops along a pathway normally followed by a different cell type. Mutations that can change the fate of an imaginal disk in insect development. |
|
|
Term
|
Definition
| The total dry weight of all organisms in a particular sample, population, or area |
|
|
Term
|
Definition
| speciation in which the evolution of reproductive isolating mechanisms occurs when a population enters a new niche or habitat within the range of the parent species |
|
|
Term
| paleontological species concept |
|
Definition
| morphological characteristics for the species |
|
|
Term
| biological species concept |
|
Definition
| interbreed and reproduce to produce fertile offspring |
|
|
Term
| limiting nutrient (2 examples) |
|
Definition
| element that must be added to increase production in a particualr area...nitrogen or phosphorous |
|
|
Term
|
Definition
| Heterochrony refers to any change in the developmental timing of an organism's growth that results in changes between ancestor and descendant species; or between different members of a species |
|
|
Term
|
Definition
| total primary production in an ecosystem |
|
|
Term
|
Definition
| GPP minus energy used by producers |
|
|
Term
|
Definition
| net production, biomass, numbers |
|
|
Term
|
Definition
normal...decrease at top
not normal...more consumer mass than producer mass |
|
|
Term
|
Definition
| each block is proportional to number of individuals |
|
|
Term
|
Definition
| level of homeotic gene, provide positional info about digits |
|
|
Term
| biologicval magnification |
|
Definition
| Refers to the process whereby certain substances become more concentrated in tissues at each successive stage up the food web |
|
|
Term
|
Definition
| begins with detritus, followed by decomposers (including bacteria and fungi |
|
|
Term
|
Definition
| begins with leaves, stems and seeds eaten by herbivores and omnivores |
|
|
Term
|
Definition
| lenght is limited by the inefficience of energe transfer along the chain |
|
|
Term
| dynamic stability hypothesis |
|
Definition
| long food chains are less stable becacuse it takes longer for energy to work its way back up |
|
|
Term
| crude density and ecological density |
|
Definition
| Crude density includes all the land within the organism's range whereas Ecological density includes only that portion of land that can actually be colonized by the species |
|
|
Term
|
Definition
| herbivores that produce cellulase |
|
|
