Answer:
The correct option is D
Explanation:
A male sperm needs a x chromosome and y chromosome , whereas a female sperm needs 2 x chromosomes , Thus both genders needing x chromosome
Protect. The immune system protects the body from diseases and harmful pathogens. The skeletal system keeps you upright and supports you with help from the muscles.
The chemical substance in adult male pig's urine, which can also be found in other mammals, is called Puberty Accelerating Pheromone. It is also found in boar's saliva, and was said to be responsible in inducing early puberty in young female piglets.
Answer:
Dark reaction takes place with the presence or absence of sunlight. Light reaction is considered as the light dependent reaction. Light reaction is also called as photo-chemical phase
Explanation:
brain leist bhe ty:)
