When making the plural, words that end with a Z, change the Z to ces ?

Yes. That's correct.

Explanation:

two quick examples

lápiz    >    lapices      (noun)

feroz   >   feroces       (adjective)

2 examples of how people live in their space and time defined with their particular characteristics

when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.