In biology, a trait that arose in an ancestor and is passed along to its descendants is referred to as a. derived character
b. taxonomic group
c. molecular clock
d. physical similarity

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

2. which is the last step in the scientific method?