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.
Red pandas eat berries, blossoms, bird eggs, bamboo leaves, and the small leaves of other plants. Bamboo (the leaves of which are the red panda's primary food source) is bent down to bring the leaves within reach of the mouth.