Answer:
Testosterone or Follicle Stimulating Hormone 
Explanation:
I think its the second one
 
        
             
        
        
        
Answer:
The correct answer is option a, that is SARS. 
Explanation:
The bats are the flying mammals, which carries more than sixty viruses that can infect human beings, they even host more viruses per species in comparison to other species. The bats have been demonstrated to carry various harmful infections that comprise viruses associated with SARS and rabies. It has been shown that apart from these, the bats are the original hosts for various other deadly viruses like Nipah and Ebola that result in deadly brain diseases in humans.
 
        
             
        
        
        
"The basic difference between dense irregular and dense regular connective tissues is in the amount of elastic fibers and adipose cells present. "
-False Statement.
Explanation:
The basic difference between the dense irregular and dense regular connective tissue lies in the arrangement of collagen fibers in them.
The collagen fibres are arranged parallel to one another in a regular connective tissue while in irregular connective tissue, the fibers are not arranged in parallel manner.
 
        
             
        
        
        
The difference between a multicellular organism and a colonial organism is that colonial organism consists of individual one-celled organisms that can, if separated, survive on their own. On the other hand, cells from a multicellular life-form cannot live independently (they are all connected to function together).
Volvox is not considered multicellular because its cells are not aggregated into organized tissues and have no organ and organ systems.
 
        
                    
             
        
        
        
The scrotum is a sac of skin that hangs from the body at the front of the pelvis, between the legs. It sits next to the upper thighs, just below the penis. The scrotum contains the testicles