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.
Question by Thomas: what do freshwater triops eat? Best answer: Answer by Fattytuna Triops eat triop food. In the wild, they are largely opportunistic feeders, eating algae, plant material, aquatic bugs â anything that they are able to kill. You can feed them most organic materials â chopped up frozen lettuce, mosquito larvae, commercial fish food.