<span>Normal urine has a specific gravity that is higher than the specific gravity of pure water; dehydration leads to an increase in the specific gravity of urine.</span>
The answer is Surgical Contraceptive Methods e.g. Vasectomy(For males) and Tubectomy(Females)<span>.
</span>Vasectomy:- In this method vas deference is cutted and tied so that sperms can't reach uthera.
Tubectomy:- In this method both fallopian tubes are cut and tied, so that no egg can head towards the site of reproduction(
Cervix).
Note:- Both process are irreversible.
Gonadotropin-releasing hormone, luteinizing hormone (LH for short) and follicle-stimulating hormone (FSH for short).
EXPLANATION
When your body reaches a certain age, your brain releases a special hormone that starts the changes of puberty. It's called gonadotropin-releasing hormone, or GnRH for short. When this hormone reaches the pituitary gland, it releases two more hormones into the bloodstream: the LH and FSH. Although boys and girls do have these hormones, it depends on their sexual orientation the way these hormones work.
Rather than helping one species you can help a entire ecosystem. if you think about it, you would be saving more in a ecosystem then you would in just 1 single species