Answer:
Quite a lot.
Explanation:
I would be wasting your time to put everything here. So keep it simple, prokaryotes and eukaryotes share only ribosomes, cell membranes, cell walls (not all eukaryotes but some, ignore this if you're below 8th grade), and cytoplasms. Everything else would not be found in both prokaryotic and eukaryotic cells.
So that the plant doesn't become extinct
Answer:
In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
Each time an organism is consumed, 90% of the energy is lost as heat. that leaves only 10% for the carnivore