Environmental Growth Factors Practice Test

The same type of houseplant was grown for 6 weeks under two conditions. Plant A received fertilizer once a week. Plant B received no fertilizer. Both plants had the same pot size, light, water, and temperature. The table shows growth measured by new leaf count. Which environmental factor affects growth according to the evidence? (This shows that environment can affect growth.)​

A student tested plant growth in two pots using the same type of sunflower seed. Pot A had nutrient-rich soil. Pot B had nutrient-poor soil. The student also accidentally placed Pot A near a sunny window and Pot B in a shaded corner. After 3 weeks, Pot A plants were taller. Which statement best evaluates the evidence about environmental factors affecting growth? (This shows that environment can affect growth.)​