1 Converting nondeductible IRA contributions to a Roth: Since 2010, high earners otherwise not eligible to make Roth contributions can make nondeductible contributions to a traditional IRA and then convert those amounts to a Roth.
Pond Ecosystem An ecosystem is a dynamic complex of plant, animal, and microorganism communities and the nonliving environment, interacting as a functional unit. Remember that the organisms living in an ecosystem are broken down into categories: producers, consumers, and decomposers.
Look up lentic in Wiktionary, the free dictionary. A lake ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions.emperature is an important abiotic factor in lentic ecosystems because most of the biota are poikilothermic, where internal body temperatures are defined by the surrounding system. Water can be heated or cooled through radiation at the surface and conduction to or from the air and surrounding substrate.