So dark linen thread structure is chromosome that we see. And and by molecule heritage that we contain.
Answer:cell wall
Explanation:The cell wall in plant cell is made of cellulose and functions to provide rigidity to the cell. Cell wall has no living function
Biotic factors are all of the “alive” factors in the environment which includes all living organisms. Abiotic factors are opposite, are “non alive” factors which may include water,soil,air,rocks,and etc.