The middle layer of the urinary bladder is identified as
a. mucous coat
b. submucous coat
c. muscular coat
d. sphincter coat

Option B

Explanation:

The urinary bladder wall is made up of three different layers -

a) Inner layer  - This layer lines the inner surface of the bladder and is made up of transitional cells also known as urothelial cells. This layer is knows as  urothelium

b) Middle layer - This is the middle layer of the urinary bladder and is made up of connective tissue.. It consists of blood vessels and glands that surrounds the urothelium. This middle layer is known as submucosa. It is also known as lamina propria

c) Outermost layer - It has three muscular layers and is the thickest layer of all. This layer is known as muscularis propria

Hence, option B is correct

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.