Question

the graph shows the masses of different types of plants found in an area of the adirondack mountains. mass of plants time grasses shrubs birch trees spruce trees maple trees cycling of carbon and nitrogen in a forest negative human impact on the environment ecological succession in a community energy flow in a food chain over time multiple choice 1 point

Explanation:

The graph shows the change in mass of different plant types over time, which is characteristic of ecological succession where plant communities change over time. There is no indication of energy - flow in a food chain, carbon - nitrogen cycling, or negative human impact from the graph.

Answer:

ecological succession in a community