Some Plant Species Require Shaded Conditions While Other Plant Species

question 7

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.

---

Definitions:

Dizygotic Twins

Twins resulting from the fertilization of two different eggs by two different sperm, sharing 50% of their genes, similar to ordinary siblings.

Genetic Influence

The impact of genes inherited from parents on the traits and behaviors of an individual.

Genetic Heritability

The proportion of variation in traits within a population that is due to genetic differences among individuals.

Extraversion-Introversion

A personality dimension that contrasts tendencies toward sociability, enthusiastic activities versus reflection, and quiet activities.