| A | B |
|---|
| large geographic area with similar ecosystems | biome |
| driest biome on Earth,extreme temp.,cacti | desert |
| microscopic organisms that float in water | plankton |
| area near coastline where river meets ocean | estuary |
| permanently frozen layer of soil beneath top layer that thaws in summer | permafrost |
| snowy owls,lichens,reindeer | tundra |
| just below tundra,spruce,moose | taiga |
| greatest variety of organisms,warm,rainy | tropical rain forest |
| cone-producing trees,largest biome | taiga |
| shoreline covered by water at high tide, exposed at low time | intertidal zone |
| rain,snow,sleet,hail,fog | precipitation |
| trees that lose their leaves,4 seasons | temperate deciduous forest |
| important for growing grains like wheat and rye | grassland |
| salt,pressure,light,dissolved oxygen | limiting factors in water biomes |
| light colored fur,big ears,nocturnal | desert adaptations |
| grazing,fast runners,short food chains | grassland adaptations |
