In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

[EX Q]: Question: When an item is lighter and is gliding across something it will have 
 Answer: less friction
[EX A]: Heavier objects press together with greater force, and this causes greater friction between them.

[EX Q]: Question: Don notices that the patient's heart is expelling less blood with each stroke. The patient's heart has to beat _____ often to maintain consistent blood flow. 
 Answer: more
[EX A]: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.

[EX Q]: Question: Species that diverged long after two other species diverged will have _____ similarities in their DNA. 
 Answer: more
[EX A]:
The longer the amount of time since species diverged, the more differences there will be in their DNA or proteins.