I would say DNA needs to be in a double helix so it can be unraveled and duplicated during cell mitosis
Answer:
Plant species it eats
Explanation:
The 1st, 3rd, and 4th are describing its surroundings not the individual grasshopper.
Each of a Number of small areas of habitat, typically of one square meter, selected at random to act as samples for assessing the local distribution of plants or animals.
Addiction is most likely the answer.