Use the following figure to answer the question. (a) NPP per unit area Algal beds and reefs Tropical wet forest Wetlands Tropical seasonal forest Temperate evergreen forest Estuary Temperate deciduous forest Savanna Boreal forest Woodland and shrubland Cultivated land Temperate grassland Upwelling zones Ocean neritic zone Lake and stream Tundra Open ocean Desert and semidesert scrub Rock, sand, ice 0 500 1000 1500 2000 2500 Average net primary production (g/m^2/yr) (b) Area covered by ecosystem type 0 1 2 3 4 5 6 65 Percentage of Earth's surface area (c) Total NPP 0 5 10 15 20 25 Percentage of Earth's net primary production Aquatic Terrestrial Which land-based ecosystem in the figure makes has the highest productivity per square meter? savanna cultivated land tropical wet forest Temperate evergreen forest
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Step 1: Identify the land-based ecosystems in the figure: savanna, cultivated land, tropical wet forest, temperate evergreen forest. Show more…
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