Why might parasitic roots have developed in plants like the mistletoe?

The model illustrates a process by which a substance is taken up by a cell

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.

Is this mrna or rna need need the answer in a hurry