Students are growing plants in pots on the windowsill of their classroom. After spring break, a student notices
that one of the potted plants furthest from the
windowsill has changed shape, as shown below... Which
statement best explains why this plant grew at a
different angle?
A plant growth hormone accumulates in the shaded side
of the stems, causing the lower leaves to fall off.
A plant growth hormone accumulates in the shaded side
O of the stems, stimulating those sides to grow faster and
bend toward the light.
A plant hormone accumulates in the unshaded side of
plant cells, causing the plants to grow. much faster
O
A plant hormone accumulates in the shaded side of plant
cells, stimulating the plants to produce more flowers.