How is the function of cell division in single-celled organisms different from cell division in multicultural organisms?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

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.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.