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WIS2090 EXAM 2
| Question | Answer |
|---|---|
| What characteristic did the jawed fish ancestor have that led to the evolution of these fishhes? | gill arches reinforced with cartilage |
| SFPA vs. Shark Conservation Act | SFPA: 2000, President Clinton, loophole: only applied to sharks in fishing boats SCA: Obama, 2011, prohibited landing of shark without fin attatched to body, clarifed restriction to all fishing boats |
| Reproductive diversity in sharks | oviparous and viviparous (live bearing) |
| What is the role of paired fins? | stablizies body movement: roll, yaw, pitch |
| What are the modern subgroups of modern reptiles | turtles, snakes & lizards, crocs, alligators, amphibians, and tuatara |
| Where are cryptodira turtles located? | in Northern continents, South America, Africa |
| What differentiates the pleurodira from cryptodira? | no teeth, horizontal movement, no head retraction, no land dwellers except Australia, aquatic species, in Southern Hemisphere |
| Which reptillian subclass has extint groups: -snapsids - euryapsids - anapsids - diapsids | euryapsids |
| Mammals belong to what reptilian subclass? | synapsids |
| How many openings does anapsids have? | none |
| What fossil lineage originates modern amphibians and reptiles? | Labyrinthodontia |
| In reptiles, the _______ enlargens and the _________ dissapears. | pleurocentrum, intercentrum |
| What characteristics of Coelancanth is similar to that of early tetrapods? | lobed fins resembles four legged limbs of tetrapods |
| Ratite birds have what type of plate? | paleognathous |
| What modern ratite is distinctly in Africa? | Ostritch |
| Name 5 moder ratites | rhea and lesser rhea, emu, cassowary, kiwi and moas (extinct), elaphant birds (extinct), ostritch |
| What was McNab's theory? | Some carniate birds were flightless due to adaptation to resource poor environment. Less muscle mass allows these birds to use resources more efficiently. |
| Modern mammal subgroups: | placentals(eutheria); prototheria; marsupials (metatheria) |
| Name 5 characteristics of modern mammals: | hair, facial muscles, 7 cervical vertebra, muscular diaphragm, lower jaw made of single bone |
| What are the prototheria species and where do they live? | platypus - east coast Australia short-beaked enchidna - Australia long-beaked enchidna - New Guinea |
| How many Marsupoal species are in North America? | 1 |
| Name Metatheria-Eutheria ecological counterparts: | mole - Moles and Golden moles Kangaroos - deer koala-deer numbat-anteater |
| Aldo Leopold's 5 tools for wildlife management: | axe, plow, fire, cow, gun |
| Pittman-Robinson Act | - 1937 Federal Wildlife Restoration Act - excise tax on guns and ammunition - state pays 25%, PR pays 75% for wildlife projects - 1956, USFWS restricted servces to birds and mammals - ended by RETURN act |
| CITES allowed the hunting of Afircan Elaphants in what countries: | Zimbabwe and South Africa |
| What did Pain's experiment connclude? | The precense of the Piastar (predator) kept in control of other predators in the intertidal environment |
| The Sharp-tailed Grouse is more adapted to _____. | shrubbery |
| How is the Lawrence Warbler produced? | - Brewster backcross with either 2 parental types - 2 GWW with specific recessive traits |
| What steps did the BLM go through to lower the populations of wild horses and burros? | - immuno contraception - adoption by private citzens - private ranches |
| Where are someplace that dead zones occur? | - Cheasepeake Bay - Gulf of Mexico - Lake Erie - Oregon Coasr |
| Sexual selection, range size, point of orgin, and life history variables are componets of what species introduction success factor? | species-level |
| True or False. Tahiti with greater species introduction than Hawaii. | False |
Created by:
orrsamya
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