Good sources of dietary fiber include: 1  Beans and legumes. 2  Fruits and vegetables, especially those with edible skin (for example, apples, corn and beans) and those with edible seeds (for example, berries). 3  Whole grains such as:  Whole wheat pasta.
Examples of invertebrate animals are: slugs, snails, bugs, earthworms, spiders, lobster, starfish, crabs, squid, barnacles, scorpions, sponges, anything without vetabrate/spine/backbone.
One example of an ecosystem is a pond, with its plants, fish, invertebrates, microorganisms and bottom deposits and with the characteristic temperature fluctuations, quantity of oxygen dissolved in the water, the substances present in the water, and other factors with a specific biological productivity.