Why is it important for the dna to double before mitosis

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.