Savanna grasslands
Sand dune
Maple in the Olympics Mountains
Penguins live in the Antarctic
Islands often have rare species
Islands are isolated
Deserts are harsh environments
Long sand beaches
Thorny devil lizard
Few animals live in salt lakes
Trees and animals need shade
Grasslands have many animals
River and rainforest
Island lake
River in tropical rainforest
Mountain lake environment
Mountain goat on mountain