frozen layer of soil and ice
tundra
shrubs, foxes, coyotes, jack rabbits, mule, deer, small mammals
chaparral
elephants, zebras, and giraffes
savanna
transition zone between rivers and ocean
estuary
upper layers of tropical pelagic
coral reef
sand and rocky soil
alpine
darkest, richest, soils in the world
grasslands
warm all year long
tropical rain forest
phytoplankton, plants, fishes and invertebrates
river/stream
pounding force of waves
intertidal
lichens, mosses, and small shrubs
tundra
flat plains, rocky hills and mountain slopes
chaparral
covers half of the surface of Africa
savanna
dissolved oxygen and nutrients and types of organisms
lake/pond
adaptations for darkness
benthic/abyssal
deer, moose, elk, and snowshoe hare
taiga
maple, elm, and oak trees
temperate forest
can be found around the world
tropical rain forest
along coasts of lakes and oceans
wetland
contains most organisms
pelagic
mountain regions including the Andes, Alps, and Rocky Mountains
fires are common
grassland
very little precipitation
desert
fresh or saltwater
wetland
sea stars, mollusks, worms, clams, crustaceans
intertidal