A cell needs to transport a certain ion across its cell membrane. In which of these situations can you conclude that energy must be used? A. The ion is moving from high to low concentration. B. The ion is moving from low to high concentration. C. The ion is moving from the inside to the outside of the cell. D. The ion is moving from the outside to the inside of the cell.

Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.