Articles > Community Patterns – Quiz Community Patterns – Quiz Quiz Choose the best answer. 1. Various populations of species living together in an ecosystem Producers Consumers Decomposers Community 2. Their ecological niche is to regulate the growth of plants and other animals Producers Consumers Decomposers All of the above 3. The layer consisting of the tallest trees that generally rely on wind for seed dispersion. Emergent layer Canopy layer Understory Forest floor 4. The zone of the lake nearest to the shore Benthic zone Profundal zone Limnetic zone Littoral zone 5. An example of a micro- or mini-ecosystem Honeydew ecosystem Mistletoes and bellbirds Beech tree masting Predator plague Send Your Results (Optional) Your Name To Email Time is Up!