MoCA

Two birds species regularly visit feeders for sunflower seeds during the winter. For a month, several students take turns watching the feeding station from 6:30 to 7:30 every morning and recording their observations. They find that whenever individuals of one species arrive at the feeder, the individuals of the other species leave. The students conclude that competition for food between the species is an important factor in their ecological relationship. The students' conclusion above woul...