The wind and pollen dropping from trees
The goods that were spread included paper, food, plants, gold and silver, bamboo, spices, glass, jade, and silk. The ideas that were spread included what people believed in. People from different places were introduced to the the cultures of other traders that came from different places.
Answer:
Fossil records provide evidence of an increase in animal species at the same time that atmospheric oxygen levels increased.
Explanation:
A huge diversification among animal species occurred with the increase in the levels of atmospheric oxygen. The reason why the number of species increased drastically was that a whole new world opened up, the land. The land was open for exploitation and taking over, with every single niche free, so animals diversified and filled in pretty much all of the niches. The fossil records give us clues when this happened, as from only microorganisms there is a sharp rise in complex animals, coinciding with the increase of oxygen levels.
If it wasn't for the increase of atmospheric oxygen though this wouldn't have been possible. The oxygen in the atmosphere enabled animals to breathe on land. Also, it cooled off the global temperatures which were too high before the increase of atmospheric oxygen, making them suitable for life. And last but not least, the atmospheric oxygen resulted in the formation of the ozone layer, a layer that started to act as protection from the UV rays.
The bones that are like a ball and socket are The hip bones
These bones include the femur and this bone rests in a bowl like shape against the pelvis
I hope this helps! Let me know if you don't understand!
The answer to what structures might be found in the cranial portion of the midsagittal plane is the umbilicus and the bladder also you can also find the feet and the ankles, an in the structure you can also find of course the nose and the mouth, even the hand and the feet are included.
