Natural selection states that
a. a change in a species occurs over time.
b. nature selects the variations within a species that are most useful for survival.
c. fitness is an organism’s ability to survive and produce fertile offspring.
d. all of the above

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse