A student is testing whether light is required for corn seeds to germinate. He plants one group of seeds in soil in the dark and leaves the other group exposed to light, sitting on moist paper towels.
A student is testing the effect of a new fertilizer on tomato growth. She plants one tomato in garden soil with no fertilizer and plants the other tomato in garden soil with fertilizer added.
A student wants to determine how well tulips will bloom at high temperatures. She knows they bloom well at room temperature, so she sets up groups at higher temperatures: 80°F, 90°F, and 100°F.
Did you find these answers helpful?