Parrots and Dogs are able to generate internal heat to maintain their body temperature in a coid environment. Parrots and Dogs are Endotherms. They generate most of the heat they need internally, when it's cold outside.
Answer:
Which of the following is not one of the characteristics of life?
a.
Balance
b. Digestion
C.
Circulatio
d. Conductivity
e. Reproduction
Explanation: A
Build several models of his tree house out of different materials, and see which model holds up best to wind, water, and ice.
