Answer:
Homologous structure
Explanation:
Homologous structures refers to organs or bones that have similar anatomical features found in different animals that are suggested to have the same common ancestor and serves as an evidence of evolution.
Whakes, humans and cats have similar bones in the same order but different in function.
The answer is b. The ability of all living things to maintain a relatively stable internal environment
The work output of a machine divided by the work input is the resistance of the machine