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 Eyed Tree Frog Food. The red eyed tree frog diet consists mainly of soft-bodied invertebrates such as crickets, flies, moths, spiders and grasshoppers. They are also known to occasionally consume other frogs.ther food for frogs includes spiders, grasshoppers and the occasional frog. The froglets of the red eyed tree frog eat smaller, aquatic bugs that skim the surface of the water where they reside until they are mature enough to move up to the forest. They require a more significant amount of food in order to grow.