A proper balance of oxygen and carbon dioxide must be maintained in the human body to survive. Which of the following body systems is responsible for taking in and releasing these gases to ensure homeostasis? A. Digestive System
B. Excretory System
C. Circulatory System
D. Respiratory System

D. Respiratory System

Explanation:

The respiratory system consists of organs and structures that allow us to breathe by taking in oxygen and expelling carbon dioxide. The main parts include the lungs, nasal cavity, sinuses, blood vessels, and various air passageways.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

answer; i do believe that the correct answer is; ///mendelian genes are at specific loci on the chromosome and, in turn, segregate during meiosis;