The answer is stem cells. Normal stem cells and germ cells can also be said to be immortal
Essentially traits of both genes will be shown. Take heterochromia for example, where a person has a green eye and a blue eye, both have some part in developing a trait.
The more advance the community the more complex the speciess
It helps decompose dead waste such as animals and mice and birds and plants, it makes the earth cleaner.
Answer:
lungs. that is why it is called respiratory system
Explanation:
