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| 13847073481 | Ecology | the study of interactions between organisms and their environment | 0 | |
| 13847075593 | Environmental Science | the study of human impact on biological and physical attributes of the natural world | 1 | |
| 13847081637 | Ecologist | deals with the relations and interactions between organisms and their environment, including other organisms | 2 | |
| 13849386910 | Environmental Scientist | focused on the study of relationships of the natural world and the relationships between organisms and their environment | 3 | |
| 13849392499 | Abiotic | nonliving | 4 | |
| 13849393838 | Abiotic examples | wind, temperature, soil, sunlight and water | 5 | |
| 13849395334 | Biotic | living | 6 | |
| 13849396419 | Biotic examples | animals, plants, behaviors and interactions between organisms | 7 | |
| 13849399770 | Biomes | major types of ecosystems that occupy very broad geographic regions | 8 | |
| 13849410433 | Tropical Forest | very high annual rainfall, high average temperatures, poor soil and high levels of biodiversity | 9 | |
| 13849413280 | Desert | high temperatures, strong winds, variation in rainfall and low humidity | 10 | |
| 13849430969 | Savanna | not too much rainfall, grassland with scattered trees and shrubs | 11 | |
| 13849433887 | Chaparral | receive some rainfall, high temperature, and can be dry | 12 | |
| 13849446160 | Northern Coniferous Forest | amount of rainfall depends on location, winters long and cold and summers are warm and moist | 13 | |
| 13849440664 | Temperate Broadleaf Forest | warm and cool seasons, rainy climates and can have a dry season | 14 | |
| 13849451350 | Tundra | low precipitation, dry winds, ground can be permanently frozen, and have desert like climates | 15 | |
| 13849455016 | Lakes | formed by remnants of glaciers, blocked rivers, rivers that fill natural basins and small areas of still or slow moving water | 16 | |
| 13849458152 | Wetlands | a lot of water permanently or seasonally, hydric soil and aquatic plants | 17 | |
| 13849461470 | Streams & Rivers | water doesn't find an underground aquifer and drains off land by either seeping through soil or spilling over the surface | 18 | |
| 13849471032 | Wstuaries | area where a freshwater river or stream meets the oceans and it is a place where sea water is diluted by fresh water from land drainage | 19 | |
| 13849474027 | Intertidal Zones | submerged with water during high tide and exposed to the air during low tide and the zone cam take many forms from sandy beaches to rocky cliffs | 20 | |
| 13849483456 | Oceanic Pelagic Zone | governed by the abundance of nutrients and dissolved oxygen, sunlight, water temperature and pressure | 21 | |
| 13849492407 | Coral Reefs | developed in warm, shallow waters along land formations and has many marine species | 22 | |
| 13849497002 | Marine Benthic Zone | lowest level of a body of water, lake or stream and it has sediment surface and some subsurface layers | 23 | |
| 13849502657 | Phenotype | any measurable trait - physical, behavioral or physiological (genotype + environment) | 24 | |
| 13849507878 | Kinesis | simple change in activity or turning rate in response to a stimulus | 25 | |
| 13849514631 | Taxis | automatic, movement, oriented movement | 26 | |
| 13849515809 | Migration | regular, long- distance change in location | 27 | |
| 13849518417 | Logistic | S- curve, incorporates carrying capacity | 28 | |
| 13849519496 | Exponential | Hockey stick shaped, ideal conditions and population grows rapdily | 29 | |
| 13849522928 | Logistic Growth Calculation |  | 30 | |
| 13849572786 | What is K? | Carrying capacity which is maximum stable population which can be sustained by environment | 31 | |
| 13849584372 | Population Growth Rate | dN/ dt = rN | 32 | |
| 13849589435 | Density Dependent | population matters | 33 | |
| 13849590710 | Density Dependent examples | predation, disease, and competition | 34 | |
| 13849595060 | Density Independent | population isn't a factor | 35 | |
| 13849596134 | Density Independent factors | natural disasters such as fire, flood and weather | 36 | |
| 13849599851 | Ecological Niche | the sum total of an organism's use of abiotic/ biotic resources in the environment | 37 | |
| 13849602456 | Fundamental Niche | niche potentially occupied by the species | 38 | |
| 13849605033 | Realized Niched | portion of fundamental niche the species actually occupies | 39 | |
| 13849612572 | Competition | competition between organisms | 40 | |
| 13849614331 | Predation | prey of one animals on others | 41 | |
| 13849615903 | Mutualism | both benefit | 42 | |
| 13849617471 | Commensalism | one benefits and one isn't impacted at all | 43 | |
| 13849618430 | Parasitisim | nourishment from others | 44 | |
| 13849619377 | Trophic Levels | links in the trophic structure, a community is determined by the feeding relationships between organism | 45 | |
| 13849623777 | Primary Consumers | herbivores that eat primary producers | 46 | |
| 13849625181 | Secondary Consumers | carnivores that eat herbivores | 47 | |
| 13849626745 | Tertiary Consumers | carnivores that eat secondart consumers | 48 | |
| 13849628488 | Detritivores | a type of decomposer | 49 | |
| 13849631026 | Decomposer | important group of hetertrophs and they play an important role in material cycling | 50 | |
| 13849634901 | 1st Law of Conservation | energy can't be created or destroyed | 51 | |
| 13849652367 | Matter Cycles | cycles through the ecosystem since it can never leave | 52 | |
| 13849657568 | Biogeochemical Cycle | nutrient cycles that contain both biotic and abiotic components | 53 | |
| 13849662676 | Keystone species | exert control on community structure by their important ecological niches | 54 | |
| 13849670019 | Primary Succession | plants and animals gradually invade a region that was virtually lifeless where soil has not yet formed | 55 | |
| 13849675987 | Secondary Succession | occurs when an existing community has been cleared by a disturbance that leaves the soil intact | 56 | |
| 13849678934 | Carbon Cycle | CO2 removed by photosynthesis and added by burning of fossil fuels | 57 | |
| 13849682086 | Nitrogen Cycle | Nitrogen Fixation (N2 --> plants by bacteria) Nitrification (ammonium --> nitrite --> nitrate) Absorbed by plants Denitrification (release N to atmosphere) | 58 | |
| 13849696081 | Biomass Problems | NPP = GPP - R | 59 | |
| 13849697289 | Primary Production | amount of light energy that is converted to chemical energy | 60 | |
| 13849700129 | Survivorship Curve | shows the number or proportion of individuals surviving each age for a given species or groups | 61 | |
| 13849712563 | Altruism | selfless behavior | 62 | |
| 13849713527 | Inclusive Fitness | total effect of producing own offspring | 63 | |
| 13849716507 | Kin Selection | type of natural selection | 64 | |
| 13849721647 | Climograph | plot of annual mean temperature and precipitation in a particular region | 65 | |
| 13849725635 | Population | group of individuals of the same species that are spatially and temporally similar | 66 | |
| 13849729328 | Dispersion | the pattern of spacing of individuals | 67 | |
| 13849733266 | dN/dt | change in population | 68 | |
| 13849733267 | r | growth rate or population | 69 | |
| 13849734746 | N | population size | 70 | |
| 13849738130 | 3 variables of life history | 1. age of sexual maturation 2. how often organism reproduces 3. number of offspring produced per reproductive episode | 71 | |
| 13849756114 | Dominant Species | has the highest biomass or is the most abundant in the community | 72 | |
| 13849758737 | Keystone species | exert control on community structure by their important ecological niches | 73 | |
| 13849765224 | Ecosystem | sum of all the organisms living within it boundaries + abiotic factors with which they interact | 74 | |
| 13849770854 | What are primary producers? | autotrophs ("self- feeders") | 75 | |
| 13849775997 | GPP | gross primary production - total primary production in an ecosystem | 76 | |
| 13849778144 | NPP | net primary production - storage of chemical energy available to consumers in an ecosystem | 77 | |
| 13849783786 | R | respiration | 78 | |
| 13849793341 | How much energy is transferred from one level to the next? | 10% | 79 |
