Estrogen's are the female sex hormones. <span />
Answer:
There are five levels: cells, tissue, organs, organ systems, and organisms.
Explanation:
I believe this is what you're looking for. Hope it helps.
Answer:
1.
Red = rr
Blue = bb
Purple = rb
2.
a) Genotype - rb
Phenotype - purple
b) 0%
c) 100%
d) 0%
3.
a) Genotypes - rr, rb, bb
Phenotypes - red, purple, blue
b) 25%
c) 50%
d) 25%
4.
a) Genotypes - rb, bb
Phenotypes: purple, blue
b)
50 purple
50 blue
0 red
Northam Warren created the first commercial version of LIQUID NAIL POLISH in 1917.
As the name implies, the LIQUID NAIL POLISH is used on finger nails, to make it look more attractive and beautiful.
This was after he created the fingernail cuticle remover and nail polish in 1911, and nail tints in 1914.
Answer:
At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.