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.
Treats: Treats should be given in small amounts. Although many ducks love foods like corn, carrots, and greens, these foods do not meet all of your ducksâ nutritional needs, and should compromise no more than 5-10 per cent of the diet. Allowing your duck to graze in your yard is fine providing that your yard is pesticide-free.