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.
Meiosis occurs in a cell in the reproductive system. I hope that answers your question!
Your answer would be A, Atoms.
Does this help you any? :)
~Korey
<span>A pattern of inheritance responsible for a wide range of phenotypes that result from individual organisms having many different gene pairs controlling a single trait is b. polygenic traits. A polygenic trait is a pattern of inheritance where a single trait is influenced by many genes. Some examples of this pattern of inheritance are human skin color, height, and weight.</span>