Providing food for predators: Earthworms, like all creatures, are part of food webs. Birds are well known predators, but native earthworms are also food for endangered and endemic land snails. Earthworm benefits to humans. New Zealand scientists have had a unique opportunity as far as earthworm research is concerned.
For details, see more on Roth IRA conversions). For 2015, you can contribute the maximum $5,500 to a Roth IRA ($6,500 if you are age 50 or older by the end of the year) if you are single or the single head of a household and your modified adjusted gross income (MAGI) is less than $164,000.ne caveat: If you earn less than the maximum contribution limit, you can contribute only as much as you earned. So if, (for example, you earned just $3,000, you could contribute only $3,000 to a Roth IRA for the year.
There are no upper income limits for making contributions to 401(k) plans The IRS does set maximum income limits for contributing to a Roth IRA.If you file as single, the amount you can put in a Roth IRA starts to decrease, or phase out, when your adjusted gross income reaches $112,000 as of 2013.here are no upper income limits for making contributions to 401(k) plans The IRS does set maximum income limits for contributing to a Roth IRA.