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 type of transport requires no energy and occurs when substances move from areas of higher to lower concentration? Answer: passive transport

SOLUTION: Passive transport requires no energy and occurs when substances move from areas of higher to lower concentration.

PROBLEM: Question: What is the unit of evolution? Answer: population

SOLUTION: Population is the unit of evolution.

PROBLEM: Question: Snakes are which type of animal? Answer: carnivorous

SOLUTION:
Snakes are carnivorous animals.