A group of students plans to build a model of a local pond habitat. Which model best represents an environment similar to a pond?

Choices: A. a sealed plastic bottle containing insects and algae from a pond; B. a classroom aquarium containing plants and animals bought from a store; C. a classroom aquarium containing freshwater, non-native plants, and non-native animals; D. a small plastic outdoor pool containing freshwater, native plants, and native animals;
D.