The answer is C) Cloning eliminates the ability to sexually reproduce and provide genetic variability.
In the future, there is no variability in the genes in the clones given that they are the exact copies of the "parent" produce. All should be identical without differences and variations. Although Farmer Brown doesn't want this to happen that's is what he is reluctant to listen to Farmer Green's advice.
They are mostly habittated to watter because they requres oxygen more from water or there organ setup to do it works properly under water.
Polio affects the central nervous system and spinal cord. It can cause muscle weakness and paralysis. Polio is a life threatening condition because it can paralyze the muscles that help you breathe.
The polio vaccine is used to help prevent these diseases in children and adults.
They inhibit lh and fsh hormone this stop the maturation of follicles henve they are not released and sperm has nothing to fuse so fertilisation doesn't occur
