Disruptions in Ecosystems Practice Test

Lake stability increases because the food web becomes shorter, eliminating indirect effects among trophic levels.

Water clarity decreases and deeper aquatic plants decline because increased phytoplankton reduces light penetration.

Phytoplankton biomass decreases because fewer zooplankton reduces carbon dioxide availability in surface waters.

Aquatic plant growth increases because phytoplankton release nutrients directly to plants through photosynthesis.

Water clarity increases because fewer zooplankton means less suspended organic matter in the water column.