White blood cells help to fight off infection and then begins to repair the wound. This would take about 2-5 days to start healing
D) differences between species and their ancestors
This is because of the adaptive mechanism and mutations the organisms have to respond to. <span>Adaptation processes occur to help species survive and thrive in the ecological balance of life. Structural adaptations are physical features of an organism that adapted through time. An example of this are the bills of a bird and the fur of bears that they generally need for their survival; birds for hunting, and bears to protect them from low climate areas.</span>
Potassium, 4 shells, 1 valence electron
Answer:
competition
Explanation:
because one die and the other lives
