This statement is false.
Grass and Fruit Tree are all living organisms. When you say living organism, it contains life. Grass and trees do grow and needs nutrients the same as human, they also contribute to the environment to give life.
it is a.cell because tissues, organs and organisms are larger than a cell so 'a' is the correct answer
B
Amoebas cannot be animals because they are unicellular.
The first one, because it's the only one that has anything to do with the study of life.