Two main types of reproduction that exist in living organisms are sexual reproduction and asexual reproduction. The fusion of the male and female gamete leads to the formation of zygote in case of sexual reproduction.
The prenatal period may be defined as the time development required for the fetal to grow in the womb. The prenatal period starts from the conception and remains till the birth of the child. Three main stages of prenatal period are germinal stage, embryonic stage and fetal stage.
A chromosome is a piece of protein that is inside a cell's Nucleus that contains genetic information. DNA is inside the chromosome, which gives the chromosome the genetic information
All of the options are limiting factors so the less supply of each substance the less likely the species would survive and so the less that can mate and produce different offspring
