C. The brain sends messages to the spinal cord
The answer is D. Transports fluids throughout the plant.:)<span>
</span>
The abiotic environment consists of non-living things. So, rocks, temperature and water are part of the abiotic environment.
using seeds from the same source.
using the same kind of soil for both groups.
giving the control and experimental groups the same volume of water.
keeping the light the same for the experimental and control groups.
measuring plant height the same way and at the same time for both groups.
