Darwins theory was accepted because his seemed the most realistic along with the most evidence and logical proof.
Pericardial fluid
Pericardial fluid is a serous substance
produced by the serous layer of the pericardium into the pericardial cavity. The
pericardial fluid reduces friction by lubricating the epicardial surface and allows
the two membranes to glide over each other with every heart beat.
Answer:
To complete this calculation, we divide the amount from the higher trophic level by the amount from the lower trophic level and multiply by one hundred. That is, we divide the smaller number by the bigger one (and multiply by one hundred)
Explanation:
I just looked it up and it said that but idk if that's right
