Answer: Apocrine sweat gland produce a substance that is more oily than sweat from other sources.
Explanation: Apocrine glands are one of the glands in the body that are found in the skin and eyelids as sweat glands,in the ear they secrete earwax and they secrete milk droplets in the breast.
Body odour is the product of bacteria, environment dirts and sweats that accumulates in the skin. Stress can also be a cause of body odour and this happens when we excercise or engage in stressful activities,unlike the eccrine glands in our body that produces watery sweat, apocrine glands that are mainly found in the ampits and groins which produces fatty sweats which are always triggered by anxiety, when these apocrine glands produces fatty sweats, these fatty seats are higher in protein making it easy for bacteria to break down,the bacteria in these areas (groins and ampits) are exposed leading to body odour.
Yes some fishes have long tails that can be a threat which can cause fights.
A heart beat, breathing, and moving ;)
