Cell membrane is the answer
Answer:
The birds are oviparous in nature and produces eggs that are hatched later by the parent. the egg hatching require proper heat and protection from the external enemy.
The egg shell is the hard covering of the egg of the bird that is made of the calcium. The egg shell protect the egg from the external environment. The calcium layer for the egg shell formation is obtained by the oseteoclast property of the cells.
Answer:
In Prophase of Mitosis cell division, the chromatin that is present in the nucleus starts condensation.
In Metaphase of mitosis, the chromosomes arrange itself at the equator or center of the cell.
In Anaphase, the daughter chromatids separate from each other and moves towards the poles. In Telophase of mitosis, the parent cell is divided into two daughter cells.
Each organ of the body produces pangenes which travel through the blood to the reproduction organs to be given to offspring. This is of course false as proven by scientists.
