✴ It actually can depends on the baby's gentics.
✴ But, I'd say approximately 18 to 22 inches for the all-'round average baby
The answer is Fossilized Amber.
B. To explain why the data supported or rejected the hypothesis
Answer:
b) the wing assisted incline running theory postulates that wings were initially used to maintain balance while climbing up slopes
Explanation:
According to Wing-Assisted Incline Running ( WAIR ), proto-birds developed wings as it assisted in running specially on inclined planes. The forelimbs were modified as wings as they provided balance to birds while running at fast speed on slopes. They also used less energy as compared to just running.
There were two more theories, bottom up and top down. According to bottom up, proto-birds were ground dwellers and wings were used to maintain the posture while running. According to top down, proto-birds were tree dwellers and used wings to hop from branch to branch to evade predators and catch prey.
