Explanation:
Eukaryotic cell
Eukaryotic cells have DNA, and prokaryotic cells do not.
Eukaryotic cells have both membrane-bound organelles and nuclei, while prokaryotic cells have neither
Prokaryotic cell
Prokaryotic cells have membrane-bound organelles, and eukaryotic cells do not.
Prokaryotic cells have nuclus and eukaryotic cells do not.
So that you can be organized in your home or for school or work and you can categorize things to arrange them
Between every food chain from one animal to another there is 90% energy loss so if a herbivore eats a plant, it will only get 10 joules of energy. and if a carnivore eats the herbivore then it will only get 1 joules of energy. so in every food eaten, there is 90% energy loss.