4. Bigger beaks are dominant to smaller beaks. If a bird with a large beak (Bb) is blown to an island that requires smaller beaks, what is a possible
genotype of its mate needed in order to produce an offspring with a smaller
beak?
1. The predicted mate's genotype:

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.