They are ectotherms.
hope it is helpful to you
List three characteristics of living organisms
Answer : A metal in group 16 of the periodic table can become a chemically stable ion by gaining 2 electrons.
Explanation :
The group 16 element are oxygen, sulfur, selenium, tellurium and polonium.
The general electronic configuration of group 16 elements is, 
As we now that there are total 6 electrons in p sub-shell. So, a metal in group 16 can become a chemically stable ion by gaining 2 electrons.

Hence, a metal in group 16 of the periodic table can become a chemically stable ion by gaining 2 electrons.
Answer:
Energy can be changed from one form to another
Explanation:
Energy can't be destroyed or created
Answer: l is tibia
k is fibula
r is scapula
i is phalanges
q is humerus
i believe this is right hope it helps!