| A | B | 
| biome | a large region with a specific type of climate, plants & animals | 
| climate | the weather conditions in an area over a period of time | 
| Latitude | Th distance north or south of the equator, measured in degrees | 
| altitude | the height of an object above sea level | 
| tropical rain forests | these are near the equator and help regulate world climate | 
| deciduous forests | when trees drop their leaves each fall | 
| abiotic | nonliving parts of the ecosystem | 
| gymnosperms | woody plants that produce seeds but are not enclosed in fruits | 
| angiosperms | flowering plants that produce seeds in fruit | 
| vertebrates | animals with backbones | 
| ecosystem | all of the organisms living in an area together with their physical environment |