Terms : Hide Images
| 5270941465 | pre-industrial stage | high birth and death rate | 0 | |
| 5270941466 | transitional stage | high birth rate, low death rate | 1 | |
| 5270941467 | industrial stage | birth rates decline and death rates are low | 2 | |
| 5270941468 | post industrial stage | low birth and death rate | 3 | |
| 5270941469 | total fertility rate | the number of children born per woman | 4 | |
| 5270941470 | infant mortality rate | the number of deaths of an infant under 1 years old | 5 | |
| 5270941471 | demography | study of data related to a population | 6 | |
| 5270941472 | rule of 70 | 70/ rate | 7 | |
| 5270941473 | crude birth rate | births/ total population x 1000 | 8 | |
| 5270941474 | crude death rate | deaths/ total population x 1000 | 9 | |
| 5270941475 | India | increasing population industrial stage | 10 | |
| 5270941476 | japan | decreasing population | 11 | |
| 5270941477 | us | stable population post industrial stage | 12 | |
| 5270941478 | africa | increasing population | 13 | |
| 5270941479 | Kenya | transitional stage | 14 | |
| 5270941480 | HIV/AIDS | kills middle aged people and leaves kids without parents, increases death rate | 15 | |
| 5270941481 | women empowerment | reduce population growth by educating women on birth control and condoms... lowers TFR | 16 | |
| 5270941482 | silt | medium particles, rich in nutrients, average permeability | 17 | |
| 5270941483 | clay | small particles, not permeable, lower amounts of gasses | 18 | |
| 5270941484 | sand | large particles, high filtration, low in nutrients | 19 | |
| 5270941485 | Loam | mixture of silt, sand, clay; ideal soil for farming | 20 | |
| 5270941486 | O horizon | organic matter | 21 | |
| 5270941487 | A horizon | top soil | 22 | |
| 5270941488 | E horizon | eluviated, leaching | 23 | |
| 5270941489 | B horizon | subsoil | 24 | |
| 5270941490 | C horizon | weathered rock | 25 | |
| 5270941491 | R horizon | parent rock | 26 | |
| 5270941492 | weathering | process that forms soil | 27 | |
| 5270941493 | physical weathering | wind, rain | 28 | |
| 5270941494 | chemical weathering | parent material is chemically changed | 29 | |
| 5270941495 | biological weathering | organisms produce soil chemically or physically | 30 | |
| 5270941496 | it takes 200-400 years for 1 cm of soil to form | 31 | ||
| 5270941497 | humus | fertile material formed by partial decomposition of organic matter | 32 | |
| 5273699781 | agriculture revolution | allowed people to settle in 1 place; leads to more intensive agriculture | 33 | |
| 5273699782 | green revolution | fed growing population; population increased; exponential growth | 34 | |
| 5273699783 | eutrophication | happens from over fertilizing | 35 | |
| 5273916238 | irrigation | artificially providing water to support agriculture | 36 | |
| 5273916239 | acid rain | cause of over fertilizer | 37 | |
| 5273916240 | conservation tillage | tilling that leaves more than 30% of crop residue covering the soil after harvest | 38 | |
| 5273916241 | terracing | growing crops on the side of mountains | 39 | |
| 5273916242 | contour farming | growing crops on a hill | 40 | |
| 5273916243 | intercropping | when you grow a crop among plants of a different kind in the space between the rows | 41 | |
| 5273916244 | crop rotation | rotating crops every year so soil doesn't get depleted of nutrients | 42 | |
| 5274062264 | shelter belts | rows of trees or plants are planted on the edge to slow down wind erosion | 43 | |
| 5274062265 | GMO's | genetically modified organisms; one gene is transferred to another organism | 44 | |
| 5274215617 | feedlots | an area where livestock are fed and fattened up | 45 | |
| 5274215618 | aquaculture | raising of aquatic animals or the cultivation of aquatic plants for food | 46 | |
| 5274215619 | hydroponics | process of growing plants in sand, gravel, or liquid with added nutrients but with out soil | 47 | |
| 5274215620 | pesticides | a substance used for destroying insects or other organisms that are harmful to cultivated plants | 48 | |
| 5274215621 | organic farming | a method of crop/livestock production that involves not using pesticides, fertilizers, or GMO's while encouraging sustainable production within agriculture | 49 | |
| 5274215622 | examples of GMO's | corn, soy, milk, golden rice | 50 | |
| 5274215623 | most permeable to least | sand, silt, clay | 51 | |
| 5274215624 | largest particle to smallest | sand, silt, clay | 52 | |
| 5274243544 | monoculture | planting of a single crop | 53 |
