The offspring will be all blue. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
Answer:
Explanation:
When you have had the chickenpox virus once, the Antigen . Presenting . Cells (A.P.C) have the ability to produce antibodies that latch onto the chickenpox pathogen. This then attracts other white blood cells to perform phagocytosis.
A chicken pox vaccination will usually protect a person from chickenpox for the rest of their lives due to the white blood cells being able to tell when the pathogen of chickenpox has entered the body. This vaccine is essentially a dead form of chickenpox.
Im year 9 btw
Answer:
was when the snakes and the grass became diseased. A major disturbance that caused the ecosystem to stabilize at a new equilibrium. When there was an increase in the snakes and hawks.
Explanation:
According to the principle of common descent, all species--living and extinct--are descended from ancient common ancestors. This is <span>Darwin's mechanism for evolution which suggest about living and extinct species. </span>
It's B because nerves have to do with sensory