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.
Quick Answer. Yellow belly slider turtles eat small fish, frogs and other aquatic species as well as aquatic plants found in their habitats. The diet of yellow belly slider turtles changes as they age, with juveniles being primarily carnivores and adults eating mostly aquatic vegetation. Continue Reading.