If their was a segmented nose would the cells in the body cause it or the dna of the reproductive cells

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

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.