A gut with 4 stomachs would be the one. This is often found in animals that feed on grass and other plants and need 4 stomachs to be able to process the food.
I think that for 1 it’s either A or B as the kidneys and everything get air and the lungs release it.
For 2 is probably D as the others don’t really make much sense.
I think the answer is Evolution.
Hope this helps
A rough endoplasmic reticulum contains ribosomes.
Hope this helps.
In order to see precise cells, living cells are better to observe to get the correct information while dead cells do not do anything and you can't really get information out of it
