Answer:
You have to add the passage so we can read it.
Isn't the character "Warrior?" Because it is the only simple answer and is the only character described in that sentence.
If indirect, the quotations are not needed. So, your answer would be false.
Answer: Ectotherms depend mainly on external heat sources, and their body temperature changes with the temperature of the environment. Animals exchange heat with their environment through radiation, conduction—sometimes aided by convection—and evaporation.