Guidepost 2: What are the four goals of the scientific study of human development, and what do developmental scientists study? 1  The study of human development seeks to describe, explain, predict, and modify development.  Ways of studying human development are still evolving, making use of advanced technologies.
Dabbling ducks eat plants, seeds, grasses and other small insects and animals that they find on or under the water. Ducks which have broad beaks, (shovelers) sift their food for insects, snails and seeds from the mud.
Backyard ducks can eat a wide variety of fruits and vegetables, whole grains and meat or fish in addition to their layer feed. A varied diet of healthy treats not only makes life more interesting for them, it makes the ducks healthier and their eggs more nutritious. It also ensures that nothing goes to waste.