so it does not get extinct
2 when a man and a woman have sexual intercourse otherwise known as fcking someone
What makes an environment unhealthy comes by in three things:you need to make sure it is a non-polution areyou need to make sure there are no predators in the areayou need to make sure that the organisms are in the appropriate environment
Reproductive systems
Reproductive systems
to make them easier to study to make them easier to study
There are some organisms that make there own food and that don't need vitamins from the sun.
repoductive system
Amino acids.
It is similar to other organisms. Plants using reproduction. So they can make new plants.By regeneration and sexual reproduction
Because cells become and they don't function properly.
DNA is the genetic material that carries the information needed to make new organisms or new cells within organisms. The DNA in mitochondria is only from the individual's maternal lineage, versus the individual's unique DNA found in other cells.
Just one.