Some Plant Species Require Shaded Conditions While Other Plant Species

Multiple Choice

Some plant species require shaded conditions while other plant species require bright sunlight. Shade tolerance is best related to which of these characteristics?

A) Different species of plants have different ratios of pigment molecules that utilize different wavelengths of light.
B) Plant leaves without a protective coating are subject to sunburn.
C) Some species of plants are able to produce sugar without ever having been exposed to sunlight.
D) Some species of plants are consumers and do not need sunlight.