Answer:organs which then combine to make an organ system and finally the organism. The cell is the smallest off all the 4 options
Explanation:
Dam well i been thru worse L rip
Answer:
It helps organisms survive.
Explanation:
To elaborate, adaptive traits and behavior is learned because of a necessity to <em>survive</em>.
A good example might be vaccinations and your immune system. Your body needs exposure to a pathogen to learn what it does, then adapts to fight off the pathogen. It adapts to survive.
In a constantly changing world, if you can't adapt, you simply won't survive long enough.
During meiosis, genetic recombination may occur more than once through the process of cell division, resulting in an increase in genetic variability.
Answer:
Adenine nucleotides are added to the end of the RNA strand, forming a tail.
