Term
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Definition
| nonliving components: water,air,temp,elevation, humidity, soil and minerals |
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Term
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Definition
| living: plants birds, insects, amphibians, etc. |
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Term
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Definition
| nerve cell potential for electrical conduction |
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Term
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Definition
| nerve cell fires once action potential is reached |
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Term
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Definition
| flowers with seeds in fruit |
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Term
| antagonistic muscle pairs |
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Definition
| opposing muscle group: one contracts, other relaxes: paired at least. |
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Term
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Definition
| slender, branching extension carrying impulse away from cell body |
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Term
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Definition
| increase in toxin concentration as nutrients move uaxon terminalp food chain/trophic level |
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Term
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Definition
| branching ends of axon connect (neutotransmitter) to dendrites of nest nerve cell |
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Term
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Definition
| zone near planets surface where life is supported {Atmos- litho - hydrosphere |
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Term
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Definition
| maximal growth rate of a population under idea conditions |
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Term
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Definition
| chewed food pushed to back of mouth and swallowed |
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Term
| bone construction/remodel |
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Definition
| solid exterior, spongy interior with either fat/red marrow: constantly turned over |
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Term
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Definition
| lowers calcium levels in blood; neg feedbakloops |
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Term
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Definition
| energey to raise 1 mL of h20 1c; used to determinedaily need/intake |
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Term
| cardiac/lower esophageal sphincter |
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Definition
| prevent backflow up esophagus |
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Term
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Definition
| control exit from stomach which allows 1-2 tps out at a time |
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Term
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Definition
| 1 or more factors limiting increase of population for prolonged time period |
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Term
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Definition
| recycle c from environment biotic uptake thru organisms and back to abiotic |
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Term
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Definition
| mixture of partially digested food, enzymes, water, formed by stomach avtion |
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Term
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Definition
| repel predator w/bad taste, spray irritant, bright colors= poisonous species |
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Term
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Definition
| change in climate due to human activities:co2,noand nox,ch,03,co |
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Term
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Definition
| energy in =short-wave light, converted to heat energy trapped; shift crops grown |
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Term
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Definition
| conditions which vary over time and averaged for 30+ years |
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Term
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Definition
| 2 or more populations of different species in same geographic aera |
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Term
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Definition
| between species; either may suffer or benefit |
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Term
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Definition
| when 1 species excludes another through competition |
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Term
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Definition
| shallower area near coast; most commercial finishing here; prolific fishing area |
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Term
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Definition
| color perception (red,blue,green} humans detect many shades of color and light perception in eyes |
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Term
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Definition
| stress hormone high early in the morning to jump start, wake up;adrenal cortex origin |
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Term
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Definition
| I: high birth and deaths II; high birth- low deaths; III slowing bith and deaths;IV:stable: country/population towards industrial phase{ed sanitation, pop control} |
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Term
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Definition
| branching extension of neuron carrying impulse toward cell body |
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Term
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Definition
| expansion of deserts though grazing/farming or poor soils- positive loop |
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Term
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Definition
| lowest trophic level of food web |
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Term
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Definition
| pancreas cannot produce insulin to use glucose {juvenile and adult on set |
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Term
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Definition
| identify- movement of food thru digestive tract: mastication, bolus to back ofmouth and swallowed, peristalsis down esophagus, chyme mixtures in stomach, pancreas adds insulin and bicarb soda, further digestion in small intestine and absorbtion, water absorbstion and vitamin production in large intestine, fecal matter unused food and dead bacteria 95%, rectum and anus excretion |
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Term
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Definition
| # of individuals of species per unit area |
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Term
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Definition
| affected by cocaine, stops destruction of neurotransmitter |
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