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Biomes and Ecosystems

Across
Regions along the coastlines where rivers or streams flow into the salt water.
The ocean shore between low tide and high tide.
Biomes that receive very little rain.
The amount of salt dissolved in water.
Areas where grasses are the dominant plant.
Down
Regions of the Earth between the tropics and the polar circles.
The first species that colonize new or undisturbed land.
A geographic area on Earth that contains ecosystems with similar abiotic and biotic features.
Underwater structure made from outside skeletons of tiny, soft-bodied animals.
Cold, dry, and treeless.
A forest biome consisting mostly of cone-bearing evergreens.
Aquatic ecosystems that have a thin layer of water covering soil that is wet most of the time.