Gregor Mendel choose the pea plants because they had easily observable traits there were 7 of which he could manipulate. I hope that helps
Mitochondria produce ATP, energy that is vital in aerobic cells. Therefore, I believe this is why they can be considered as power plants.
Naguara chamo tú quieres que te hagan la tarea si eres arrecho
Maybe that if they stop swimming they won’t die? Not sure if that’s helpful but it’s a suggestion. Here’s a link about sharks-https://g.co/kgs/jVvFkF