What are 2 questions about the living world

What is the Fastest fish?:    

Answer   >    Cosmopolitan Sailfish  <

  Swordfish  

  Shark  

  Bluefin Tuna  

  Eel

2):   Most contagious disease:  

  Tuberculosis  

  Malaria  

  Leprosy  

 Answer  >  Common cold  <

  AIDS

3): Smallest bird:

• Hummingbird

• Sparrow  

• Kingfisher  

• Kittiwake  

• Kiwi  

 > Hummingbird  <

Hope that helps            Hope this is what you are looking for:        : )

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

answer; the above answer to the above statement is (true)