Answer:
Hormones signal the mammary glands in your body to start producing milk to feed the baby. But it's also possible for women who have never been pregnant — and even men — to lactate
Explanation:
read the answer please
Answer:
A tick sucking a deer's blood
Explanation:
All other examples show mutualistic relationships - both species benefit from the relationship. With parasitism the one species benefits (the tick) while the other suffers (deer).