1. Does the plant require external factors such as air or water to remain green and healthy?
2. Can the plant survive solely based on the resources already within it without any external inputs?
A student sets up an investigation by placing a plastic bag over a plant. She secures the plastic bag so that it is completely sealed and nothing can enter. She observes the plant daily to see if it remains green and healthy.
Which TWO questions is this investigation, as described, designed to answer?
1 answer