The answer would be a I believe
Explanation:
Protandry - Male reproduction organ/anthers androecia/ stamens mature earlier than female reproduction organ/ carpels/ stigma/ pistil/ gynoecium in a flower. (ii) Self sterility - pollen grains are sterile to stigma of the same plants or same flowers.
I hope it's helpful for you.....
The medulla oblagonta. Its main function is to send signals to the muscles that control respiration to cause breathing to occur.
Answer:
I think it is m that's the answer
