Which of the following characteristics is $NOT$ observed in living organisms?

Every living organism is aware of what?

Which of the following is an incorrect match regarding scale,level of organization,and scientific discipline?

Match Column-$I$ (Scale) with Column-$II$ (Biological entity) and select the correct option:
| Column-$I$ (Scale) | Column-$II$ (Biological entity) |
| :--- | :--- |
| $(a)$ Macroscopic | $(i)$ Cells |
| $(b)$ Microscopic | (ii) Organisms |
| $(c)$ Sub-microscopic | (iii) Society |
| $(d)$ Conceptual | (iv) Atoms |

Which two points are known as the twin characteristics of growth?
$(i)$ Increase in mass $(ii)$ Differentiation $(iii)$ Increase in number of individuals $(iv)$ Response to stimuli

All heterotrophs require an environment which can provide: