They are heavier because they absorbed the water.
Traits controlled by genes can only be acted upon natural selection because they have to helpful to the survival of that organism.
Here are the answers in chronological order:
1.28
2.ovaries
3. Fallopian tube
4. ovaries
5. ovary/ovum
6.ovary/ovum
7. ovulation
8. egg
9. uterus
10. vascular endometrial tissue
11. Fallopian tube
12. sperm cell
13. uterus
14. fertilized
15.blood
16. uterine
17. cervix and vagina
18. 28
19. menstruation
<span> the sea floor is youngest near a mid </span>
<span>ridge and farther away.
i think this is the answer</span>
