Answer:
Positive
Explanation:
Hydrotropism is how a plant responds to water in a growing way. Positive means towards and negative means away. Roots grow toward the source of moisture, making that relationship positive.
Answer:
The three parts of the cell theory are: cells are the smallest unit of life; all cells come from preexisting cells; and living thing is made up of one or more cell.
Answer:
They adapted with new traits to survive to new environments.
Explanation:
survival of the fittest
All of these are essential to survive