Choice Board Crossword puzzle

A region found at far northern and far southern latitudes characterized by low-lying plants, a lack of trees, and long winters with very low temperatures.
A region of evergreen, coniferous forest below the artic and subarctic tundra regions
A region that is dominated by grasses that has few woody shrubs and trees, that has fertile soils, and that receives moderate amounts of seasonal rainfall.
A region characterized by a very dry climate and extreme temperatures.
A region characterized by trees that lose their leaves during certain month of the year, and moderate temperatures during summer and winter; it receives 75-150 cm of rainfall every year; also called a deciduous forest.
A region characterized by wide open spaces, spotty trees, and many scrub-like bushes; It is found between tropical forests and desert biomes, and receives about 35-50 cm of rain during the rainy season; also called tropical grassland.
A region characterized by very warm and humid climate, over 300 cm of rain per year, and a great diversity of living things; found along the equator.
A large region characterized by a specific type of climate and certain types of plant and animal communities.
A smaller area inside of a biome that includes a specific community of community of organisms and their physical environment.
How many main terrestrial biomes are there?
What are non-living things that characterize a biome called?