What percent of energy is transferred from the sun to the level indicated? (3 points) O 50 percent
100 percent
90 percent
10 percent

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

Why are common names a problem for scientist?

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids