What is the Light Used for in Chlamydomonas

Question

What is the light used for in Chlamydomonas?
A) as a source of information about the external environment
B) as a source of information about the internal environment
C) as a source of energy and as a source of information about the external environment
D) as a source of energy and as a source of information about the internal environment

Accepted Answer

Chlamydomonas, a type of green algae, uses light both as a source of energy through photosynthesis and as a source of information about the external environment, such as to guide its movement towards light sources (phototaxis).