Respiration through the body or structure of the organism
Hey There
Correct Answer: The third and fourth trimester are when <span>nutrients and calories are needed
Why? Because this is when the babies body is starting to really grow so it needs more food
Have a good day
</span>
The very primitive organism is the oldest because, over time, organisms gradually evolved into more complex organisms. First came the primitive organism, then it evolved into the more complex one, or the younger fossil.
The name given to this portion is INTRON. Intron is a portion of the split gene that is found in pre-RNA transcript which is usually removed for degradation during RNA processing. An intron is a non-coding, intervening portion within the primary transcript and is not needed for genetic coding.
