instruction:
Given a scientific passage and an answer, generate a question for the given answer.
question:
Passage: Analogous structures are structures that are similar in unrelated organisms. The structures are similar because they evolved to do the same job, not because they were inherited from a common ancestor. For example, the wings of bats and birds, shown in Figure below , look similar on the outside. They also have the same function. However, wings evolved independently in the two groups of animals. This is apparent when you compare the pattern of bones inside the wings. Answer: analogous
answer:
What term is used to describe structures that are similar in unrelated organisms?

question:
Passage: Nobody really has such colorful eyes! The colors were added digitally after the photo was taken. They represent all the different colors of light. Light is a form of energy that travels in waves. Light of different colors has different wavelengths. Answer: wavelengths
answer:
Different colors of light differ in terms of which important attribute?

question:
Passage: Secretion of the hormone cholecystokinin, which stimulates release of pancreatic juices and bile. Answer: pancreatic juices, bile
answer:
What does the secretion of the hormone cholecystokinin stimulate the release of?