Question

Question 2
2 pts
A scientist observes that a unicellular organism that consumes algae consistently
moves toward a light source in the observation chamber, even if there is no algae
present in the lighted area. Which behavior best describes the movement?
Positive chemotaxis
Negative phototaxis
Negative chemotaxis
Positive phototaxis

Answer 1

Answer:

Positive phototaxis

Explanation:

"Phototaxis is called positive if the movement is in the direction of increasing light intensity and negative if the direction is opposite."