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.
Ducks can eat a wide variety of fresh, raw and cooked fruits and vegetables, whole grains and meat/fish, and a varied diet not only makes life more interesting for them, it makes their diet healthier, and allows you to not let anything go to waste.