The reproductive system is a group of sex organs that work together for the purpose of sexual reproduction. Hope this helped!
Answer:
Brain
Explanation:
The brain has nerve endings that responds to stimulations such as sensory stimulations
<span>B.) Information on the distance from the ocean to the rivers that the salmon use. >? i think this would be it since they would not even be able to reach the area needed to breed >?</span>
Approximately one billion oxygen molecules. that is because there are about 250 million molecules of haemoglobin in each cell, and each haemoglobin molecule binds to 4 oxygen molecules
22. D, that means the soil uhhhh helps the roots to grow??? Also because sunlight causes photosynthesis- sorry i’m not good at this hope it helps