22. It is found in all ecosystem and includes organisms that eat plants and animals. a. Mutualism b. predation c. parasitism d. commensalism 23. A relationship in which member of one species benefit at the expense of another specie a. mutuallsm b. parasitism c. commensalism d. predation 24. A relationship in which one species benefit and the other species is neither harmed nor benefitted a. mutualism b. parasitism c.commensalism d. predation​