Figure 34.25 -In Figure 34.25,what Is the Independent Variable

question 50

Multiple Choice

figure 34.25
-In figure 34.25,what is the independent variable?

• A)The size of the male
• B)How successful a male was at fertilizing a female
• C)If a male acted as a female
• D)If a male removed the sperm packet that other males had implanted into a female
• E)How long a male guarded a female

---

Definitions:

Phytochromes

A type of photoreceptor in plants that absorbs light to regulate growth, development, and flowering in response to environmental conditions.

Nonphotosynthetic

Organisms or cells that do not have the ability to convert light energy into chemical energy through photosynthesis.

Pigments

Substances that give color to tissues, cells, and materials by absorbing certain wavelengths of light and reflecting others.

Extracellular

Located or occurring outside a cell or cells, often referring to substances or fluids in the spaces between cells.