Once income has been verified, use the following to determine qualifying quarters: If the year is: Credit 1 quarter for at least this amount. Credit 2 quarters for at least this amount. Credit 3 quarters for at least this amount. Credit 4 quarters for at least this amount.
Making the world better, one answer at a time. Periwinkles reproduce annually with internal fertilization of egg capsules that are then shed directly into the sea. The female periwinkle lay 10,000 to 100,000 eggs. Periwinkles reproduce annually with internal fertilization of egg capsules that are then shed directly into the sea. The female periwinkle lay 10,000 to 100,000 eggs.
1 Cleistogamy: is self-pollination that occurs before the flower opens. 2  The pollen is released from the anther within the flower or the pollen on the anther grows a tube down the style to the ovules. 3  It is a type of sexual breeding, in contrast to asexual systems such as apomixis. Plants that can pollinate themselves and produce viable offspring are called self-fertile. 2  Plants that cannot fertilize themselves are called self-sterile, a condition which mandates cross pollination for the production of offspring. 3  Cleistogamy: is self-pollination that occurs before the flower opens.