Answer and Explanation:
The nucleic acid base found in mRNA but not in DNA is Uracil.
It is noted in the sequences as U.
<em><u>#teamtrees #PAW (Plant And Water)</u></em>
Because the cell is considered an organelle which is a biological mechanism which consists of different parts, whereas a molecules is a single part and not a mechanism.
A- the antlers and horns are structural adaptations. The fighting is a behavioral adaptation.
Antlers and horns are physical adaptations that some mammals have acquired over time. However, fighting is not a physical feature but a behavioral adaptation used to beat other males during mating season.
Erosion of sand n dirt and it ca cause sinkholes
Answer:
It is the cycle when the reproductive organs start to fertilize. Another form of this is called the menstural cycle when natural changes in the uterus and ovaries to make reproduction possible soon.
