They had to change their eating habits and probably the places they lived, making them have to forge for food and roam around looking for a place to live, making them vulnerable to predators and other things
Eukaryotes are multicellular organisms.
They gain energy by breaking down the food they eat. Such as: dead animal bodies.
Answer:
The correct answer is a. early menopause.
Explanation:
Estrogen is the hormone that helps in the protection of bones from being lost or degraded. This hormone is released in the ovary by follicle. The level of estrogen decreases sharply when a woman reached its menopause.
This decrease in estrogen levels in females can lead to osteoporosis in women. So early menopause increases the chances of bone loss in woman and bone loss increases the chances of fractures in women. One in two women who are above 50 in America breaks a bone due to osteoporosis. Therefore the correct answer is a. early menopause.