Answer:
The great saphenous vein originates on the medial foot and empties into the femoral vein.
Explanation:
The relationship between the bird and tree would be considered commensalism. That's when two organisms both receive an increase because of their relationship.
Hope that helps,
UnicornFudge aka Nadia
The ilium bone forms the superior portion of the os coxa, the ischium bone the lower posterior portion, and the pubis bone the lower anterior portion.
The sewing needle should float in the water if placed on a horizontal angle if I remember properly.
I hope this helps in some way.
