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.
A wide variety of weeds, herbs and flowers are edible and can be fed to your ducks. Nearly every common weed, all the culinary herbs, and flowers such as nasturtium, roses, marigolds, violets, sunflowers, squash blossoms, and bee balm make tasty treats for your ducks.