Given a scientific question, generate a correct answer to it.

Input: Consider Input: What is the term for learning by watching and copying the behavior of someone else?

Output: observational learning

Input: Consider Input: What are the primary producers in the ocean?

Output: phytoplankton

Input: Consider Input: Not all structural rearrangements of chromosomes produce nonviable, impaired, or infertile individuals. in rare instances, such a change can result in the evolution of what?
Output: new species