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64 Cards in this Set
- Front
- Back
endoparasite lives where?
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inside host
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ectoparasite lives where?
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outside host
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competitive exclusion hypothesis involves what?
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two species that need similiar things and can't live in the same niche
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resource partitioning involves?
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differentiation of niches, both in space and time, enable similiar species to COEXISt in communitiy
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5 warblers
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1. myrtle warbler
2. bay-breasted warbler 3. black-throated green warbler 4. blackburnian warbler 5. cape may warbler |
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character displacement
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two species diverge in morphology and resource use due to competition
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allopatric involves living where?
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separate habitats
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sympatric involves living where?
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same habitats
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what are the 4 kinds of competition
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intraspecific. interspecific. resource. interference.
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intraspecific competition is?
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between individuals of the same species
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interspecific competition is?
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between different species
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resource competition is?
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organisms that compete because they both eat a limited resource
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interference competition?
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individuals interact directly w/one another by physical force or intimidation
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antipredator strategies...list them
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chemical, cryptic coloration and displays of intimidation
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mullerian mimicry is?
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when noxious species use similiar things to warn they are deadly so predator only eats a few to learn
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batsian mimicry
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palatable mimicking noxious (b,C) the species must occur in low #
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Ecosystem ecology
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concerned with energy flow through organisms
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what is the avg transfer rate of energy from one trophic level to another?
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10% converted to biomass between each tier of pyramid. producers at base
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energy flow
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mov't of energy through ecosystem as sunlight
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biomass
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# organisms x weight
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what are chemoautrophs?
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produce chemical energy not sunlight
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coprophagous means the animals...
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eats feces so like maggots or pigs
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hematophagous feeds on...
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blood.
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detritrovore feeds on
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detrius...decaying food. ex: sea stars, sea cucumbers, milipeeds
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explain primary producer, primary consumer, secondary consumer and tertiary consumer..
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pp: uses photosynthesis
pc: eats producer sc: eats herbivore tc: eats carnivore |
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detritius
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dead organic material being composed
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tropic level involveds
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a specific feeding level
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biomass
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# organisms x weight
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pyramid of numbers
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top carnivores to carnivores to herbivores to producers
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tell me about agnatha
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jawless fish: hagfish/lampreys (neither have fins)
hagfish have no vertebrae and produce slim for defense. lampreys have a cartilangious vertebrae. they have 3 hearts and breath through gills . they change sex yearly. |
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tell me about chondrichthyes
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they are sharks, rays, skates that are cartilagnous fish. with 2 parts to their heart. they do reproduction by vivapous and invipaous internal fertilization (mermaid purse) vivapous include placenta. they have a good sense of smell and vision. heterocercal tails used to help float and oil filled liver for bouncy
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osteichthyes
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are bony fish with a 2 chamber heart. they have swim bladders for buoyancy. coelacanth are from this class and are the missing link fossil fish .
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chordate characteristics
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48000. rigid internal skeleton, anterior skull, internal organs suspended in a coelom, well-developed closed circulatory system w/ 2,3,4 chamber hearts
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amphibia has what 3 orders
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order anura: frogs/toads
order caudata: salamander and newts order gymnophiona: caecilians (wormlike limbless tropical burrowing) |
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gas exchange how?
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through skin, gills, and lungs
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reproduction and extras of amphibia
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larvae develop in water (metamorphosis)
salamander/newts regenerate limbs |
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class reptilia have what 3 orders
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order crocodilia
order squamata: snake/lizard order testudines: turtles/tortoises |
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class reptilia res & rep
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gas exchange through lungs.
lay leathery eggs crocodilia: eggs gender through temp |
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features of squamata
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snakes and lizards: no eyelids, ear canals, carnivorous, hinged jaws
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aves ...
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have 4 chamber hearts
migration, mating rituals, extensive care of young |
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homothermic
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constant temp
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endothermic
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retains metabolic body heat
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two subclass to class mammalia
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subclass metatheria: marsupials (kangaroo)
subclass eutheria: placental mammals (bats/rodents) |
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mammalia order...
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order monotremata : eggs stored in pouch
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scale of ecology
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organismal: individual
population: group of individuals of same species community: species live at same place ecosystem: considers trophic levels, food chains and food webs |
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two important factors that limit species distribuitoin
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water availibility and temp
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coriolis effect
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north hem bend right south hem. bend left
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wind cells are how many degree latitude?
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30 degrees
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3 cells in each hem...names/location?
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hadley (equator), polar (poles), ferrell (middle)
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rain shadow
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windward side gets rain, dry side is leeward
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chaparral
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vegetation consisting chiefly of tangled shrubs and thorny bushes
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deserts are what?
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30 degree n & s . with less than 30 cm rainfall
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biome tropical rainforest...
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equatorial
25-30 degree 2300cm diverse. have epiphytes (plants that grow on plants) |
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temperate deciduous forest
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eastern north america, europe, eastern asia
-well defined season/winters -75-200 cm -oak/maple -animals: squirrels, rabbits, turkey, bears |
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taiga
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northern part of n. america, eurasia .
-5 to 5. -30-70cm -pine, spruce -bear, moose |
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savanna
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africa, south america, n. australia
-25-30degree -50-175 cm -grasses! |
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hot desert
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15-30
-<30cm cacti, sagebrush -large animals or very small burrowing to avoid heat |
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tundra
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artic circle
-32 to 12 -<23 -lichens, grasses, dwarf shrubs -reindeer, wolves, polar bears |
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what's behavioral ecology
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studies how behavior contributes to differential survival and reproduction of organisms
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proximate cause
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how does the behavior work (birds migrate)
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ultimate cause
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why is this best (migration improves survival)
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innate behavior
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spider builds webs...sterotypic things animals do
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fixed action pattern
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fap. once initated behavior must be completed
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sign stimulus
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stimulus to begin a specific behavior (squirrel bury nut w/out soil)
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