The answer is <span>d. homologous structures.
Homologous structures are </span><span>similar structures shared by different species. For example, the anatomy of joints in bones of birds and dinosaurs, support the idea that these two groups have a common ancestor. But since these two groups are different enough to be separated into different classes, it can be concluded that they evolved from the common ancestor.</span>
But the blank’s name IS BLANK :FLUSH:
The fertilized egg implants within the walls of the uterus. As the fetus develops, the uterus expands to accommodate the growth and development.
Answer:
fats and lipids in the human body store energy insulate us and protect our vital organs. They act as messengers, helping proteins do their jobs.
Explanation: