Answer:
A habit is a behavior that is repeated so often that it becomes almost automatic. One healthy habit I have is being sure to get lots of sleep on the weekend to make up for lost sleep during the week. One unhealthy habit I have is forgetting to eat vegetables.
Explanation:
I believe its for nutrition.
DNA helps scientists to better classify organisms is because each organ has a specific kind of DNA. For an example, brains and hearts have many small types of RNA. So if a scientists see some RNA they know that its a heart or a brain.
