Explanation:
members of the same species battle each other to protect their young
Systematic separation of the circulation of the blood. The right side of the heart receives oxygen-poor blood from your body and pumps it to the lungs. The lungs oxygenate the blood which returns to the heart and is pumped to the rest of the body by the left side of the heart. After which the blood returns to the right side, completing the cycle of circulation.
B. is the correct answer I think
Since two females are unable to reproduce. Therefore, if only two females are still alive, the species will become extinct.
