Question

Lake Èrie, U.S., is the shallowest of the Great Lakes. The shallowness allows enhanced algae and plant growth. This algae and plant growth is O a biotic factor that keeps salinity at the right levels O a biotic factor that impacts food chains and trophic levels an abiotic factor that helps keep species in check O an abiotic factor that keeps waters fairly warm​

Answer 1

Answer: A biotic factor that impacts food chains and trophic levels

Explanation: Algae is at the bottom of the food chain, but provides all the energy for each organism in the ecosystem through photosynthesis