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Ch. 7 Sect. 1 Vocab
South America Geography & History
Term | Definition |
---|---|
vegetation | plant life |
grasslands | wide open areas used for grazing and crops |
adapt | to adjust or modify to fit |
subsistence farming | farming to grow only enough food for families to eat, not to sell |
tributary | a small river that drains into a larger river |
biodiversity | the variety of species in an ecosystem |
current | the continuous movement of air or water in the same direction |
rain shadow | a dry region on one side of a mountain range |
transpiration | a process by which plants and trees release water vapor into the air |
greenhouse gas | a gas that traps the sun's heat over Earth |