Answer:
If you don't put a tittle I can't help you
Explanation:
Answer:
research question: how do different humidity levels affect the heights of different types of trees
independent variable: humidity level
dependent variable: tree height
constants: temperature, light, duration of time
control group: tree left outside in normal conditions
Explanation:
Answer: Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.
A cell can also use energy to move a large substance or a large amount of a substance in vesicles.
