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.
Now letâs talk about mallards menu. Mallard ducks are the omnivorous birds. The mallard diet is flexible in that it depends on various factors such as the breeding cycle or the seasonal deviation in the food availability. Most people arenât actually aware of what do mallards eat.These kinds of ducks primarily feed on gastropods as well as invertebrates. A roughly estimate is that males eat 37% of animals, whereas the plants comprise 63% of the whole mallards diet. Females usually eat 72% of animals and 28% of plants.ow letâs talk about mallards menu. Mallard ducks are the omnivorous birds. The mallard diet is flexible in that it depends on various factors such as the breeding cycle or the seasonal deviation in the food availability. Most people arenât actually aware of what do mallards eat.