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 should be fed a commercially prepared age appropriate food as their main diet. Ducks should be provided with suitable vegetables and fruits to supplement the commercial diet. Zucchini, peas, leafy greens, corn, vegetable peels, non-citrus fruit and worms are suitable.ucks should be fed a commercially prepared age appropriate food as their main diet. Ducks should be provided with suitable vegetables and fruits to supplement the commercial diet. Zucchini, peas, leafy greens, corn, vegetable peels, non-citrus fruit and worms are suitable.