Could be a graduated cylinder. Hope this helps :)
Answer:
The advantage of 2nd one is no partner is needed, Less energy is required. Disadvantage is no variation for genetic problems, The offspring will have everything of the parent. For the 1st one reproduction advantage Is a higher survival rate. Disadvantage is a lot of energy is needed Because it requires a ( male and female)
The second diagram best represents regeneration
Muscles - they are meat, and animals will eat the meat. They also decompose, leaving no trace of the remains.