Answer:
Most familiar is biparental reproduction (sometimes called dioecious reproduction). ... Dioecious reproduction leaves the greatest genetic variability among offspring (an advantage under changing conditions or in competition or when faced with disease), but the organisms must find mates.
I am not entirely sure, but i think it would be the respiratory system because plants produce oxygen after taking in carbon dioxide, and that is similar to the human respiratory system. I am not completely sure though. hope this helps!
Helps feed dead things also helps clean up the earth if there was no decomposers earth would look real dirty with dead things around just piling up
Tertiary consumer because you have no predators trying to eat you. You are at the top of the food web
To genetically manipulate organisms