human
Question: Sam was listing the differences between a euglena and a paramecium. Which characteristic should not be on Sam's list?

Choices:
A) only the euglena can respond to light
B) only the euglena have a definite shape
C) only the euglena use a flagellum to move
D) only the euglena can make their own food
gpt
The correct answer is 1: only the euglena have a definite shape.