Term
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Definition
the study of interactions.
ex. biotic to biotic
biotic to abiotic |
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Definition
| group of same species in a defined area |
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Definition
| ALL of the organisms occupying a defined area |
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Definition
| A community and its abiotic factors |
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Definition
| A large geographic area with similar climate and species composition |
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Term
| Types of population dispersions |
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Definition
| clumped (most common), random, and uniform (least common) |
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Definition
| the maximum rate a population can grow (J-shaped curve) |
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Definition
| assumes a carrying capacity (the maximum amount of organisms a system can support, showed by "K") an S-shaped curve |
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Term
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Definition
fast growth, fully developed offspring, short generations, little to no parental care, volitile "K".
ex. flies, fungis/mold, ALL bacteria |
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Term
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Definition
slow growth, longer generations, less developed offspring, more parental care
ex. birds, whales, etc |
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Definition
| type of symbiotic relationship when two organisms fight for the same resorce and cannot coexist. a lose, lose situation |
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Definition
a symbiotic relationship when one organism hunts another for food. the organisms coevolve
a win, lose relationship |
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Term
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Definition
a symbiotic relationship when an organism feeds off of another organism. different from predator- prey because the parasite needs the host alive. can be endoparasite (feeds from outside) or ectoparasite (feeds from inside)
a win, lose relationship |
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Term
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Definition
a symbiotic relationship when two organisms protect each other for the benefit of themselves. usually used if this relationship is critical to the survival of each partner. it's a rare relationship
a win, win relationship |
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Term
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Definition
| a symbiotic relationship when one organism uses another for its own benefit but it has no effect on the second organism. a win, no effect relationship |
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Term
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Definition
| the number of different types of species in a community |
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Term
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Definition
the relative amount of different species in a community.
ex. communtiy A and B have 4 species. Community A: species 1: 80%
species2: 7%
species 3:8%
species 4:5%
Community B: species 1: 27%
species2: 23%
species 3:21%
species 4: 29%
Communtiy B is richer |
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Term
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Definition
| total mass of life in an ecosystem |
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Term
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Definition
| total mass of producers only in a system |
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Term
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Definition
| liquid state of H20 to gas state |
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Term
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Definition
| gas state of H20 to liquid state |
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Term
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Definition
| the loss of water vapor from plant leaves |
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Term
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Definition
| any form of H2O reaching earth's surface from clouds |
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Term
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Definition
| surface water returning to larger body of water |
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Definition
| under-ground water returning to larger body of water |
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Term
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Definition
| Inorganic carbon being converted to organic carbon by producers |
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Term
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Definition
| Organic carbon converted into in organic carbon |
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Term
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Definition
| organic carbon converted to inorganic carbon with fire |
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Term
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Definition
| bacteria in soil and plant roots converting nitrogen gas into ammonia |
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Term
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Definition
| ammonia being converted into nitrate by bacteria in soil |
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Term
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Definition
| the uptake of nitrate by plant roots and being converted into organic based molecules by plants |
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Term
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Definition
| Organic nitrogen-containing molecules produce ammonia through decomposition of bacteria and fungi |
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Term
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Definition
| Nitrate converted into nitrogen gas by bacteria |
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Term
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Definition
| polar, temperate, tropical |
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Term
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Definition
| high diversity, high biomass, abundant rain |
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Term
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Definition
| high diversity, high biomass, moderate rain, seasonal change (losing leaves) |
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Term
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Definition
| moderate diversity, high biomass, moderate to high rain, evergreen trees |
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Term
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Definition
| coniferous forrest in more arctic climate, lower biomass, trees are dwarfed in size, rainfall varies but requires decent amount |
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Term
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Definition
| perma forrest (frozen soil 2-3 feet below surface) prevents trees, domintated with grass and shrubs, hih net primary productivity |
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Term
| Tropical grasslands (savannah) |
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Definition
| medium- low rainfall, lower biomass but higher net primary productivity |
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| Temperate Grasslands (prarie) |
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Definition
| temperate zone. moderate temperatures |
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Term
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Definition
| temperate zone, low rain but not a desert, no trees, shrubs only, frequent fires, |
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Definition
| aquatic biome, open ocean, photic and aphotic zone |
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Term
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Definition
| very deep ocean and bottom, very little ot no light, very nutrient rich |
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Definition
| marine zone, affects every coastline on earth, zone between high and low tidelines plus extremes of each |
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Definition
| anywhere freshwater meets saltwater, usually marshlands at river mouth, abundant in New Jersey |
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Term
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Definition
| highest net primary productivity and biomass of all aquatic biomes, requires shallow/ clear waters, requires tropical water, limestone deposit from small animals called polyps that filter it our over time |
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Term
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Definition
| rainfall with a PH less than 5.6 |
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Term
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Definition
| hole in atmosphere discovered in mid 1980s, tends to absorb UV light |
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Term
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Definition
| humans increase CO2 concentration in atmosphere. CO2 is a greenhouse gas, and is poor at absorbing light E |
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Term
| Biomagnification of chemicals |
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Definition
| a chemical that can dissove in cells will increase in concentrationas it moves up food chain |
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