TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What is the process by which organisms change in small ways over time? Answer: microevolution

SOLUTION: Microevolution is the process by which organisms change in small ways over time.

PROBLEM: Question: Which single most factor is responsible for the extinction of hundreds of species of birds? Answer: human actions

SOLUTION: Human actions is responsible for the extinction of hundreds of species of birds.

PROBLEM: Question: What type of creature is a scallop? Answer: mollusk

SOLUTION:
A scallop is a(n) mollusk.