| A | B |
|---|
| vegetation | plants |
| grasslands | wide open areas used for grazing and crops |
| adapt | modify |
| subsistence farming | grow only enough food to feed their family |
| tributary | small river that drain into larger river |
| biodiversity | variety of species in an ecosystem |
| current | continuous movement of air or water in the same direction |
| rain shadow | dry region on one side |
| transpiration | plants and trees release water vapor into the air |
| greenhouse gas | gas that traps heat energy |
| saturate | soak |
| acknowledge | to recognize |
| Andes Mountains | string of mountains that stretch 5,500 miles |
| Amazon River Basin | the largest river basin on earth, covers 2,700,000 square miles |
| Llanos | grasslands in South America |
| Angel Falls | highest waterfall in the world |
| Pampas | grassy plain in Argentina |
| Atacama Desert | rain shadow created this dry area |
| El Nino | happens when wind and ocean current reverse |
| descendant | relative of |
| kinship | blood relationship |
| supension bridge | bridges used to cross canyons or water |
| artifact | objects left behind by past cultures |
| geoglyph | large geometric designs and animals shapes drawn on the ground |
| excavate | carefully uncovering |
| lowland | low lying areas |
| nomad | people who move from place to place |
| hunter-gather | people who hunted animals and gathered plants and fruits for food |
| slash-and-burn | clear land for cutting down trees by burning vegetation |
| treaty | agreement |
| convert | persuade native populations to change their religious beleifs |
| monopoly | complete control |
| rebellion | revolts |
| exile | forced to leave and never returnf |
| liberate | set free |
| utilize | made practical |
| transform | change |
| transition | change |
| Machu Picchu | complex city built into the moutains |
| Guarani | people who live in Paraguay and Parna River |
| Tupinamba | group who uses slash-and-burn around the Amazon Atlantic coast |
| Yanomami | group who are still hunter and gathers |
| Treaty of Tordesillas | divided South America between Spain and Portugual |
| Francisco Pizzarro | conquistador who conqured the Inca |
| Atahualpa | Incan ruler who was killed by Pizzaro |
| terraced | fields cut into slopes or mountainsides |
