The outer ring is is the ever first ring but the inner ones tell if it’s old or not.
C. Law of segregation is the Mendel's law that states that gametes carry one allele for each trait.
C. Mutualistic relationship
Flowers and hummingbirds have a mutualistic relationship where both benefit. Flowers produce food in the form of nectar (sugar and water) to attract hummingbirds which, in turn, move pollen for the plant (pollination).
