64
The organelle which eliminates water from the body of a protozoan is the
- A. plasma membrane
- B. contractile vacuole
- C. nucleus
- D. cell wall
65
An organism that operates at the cellular level of organization, carries out its physiological activities by
using its
- A. cell membrane
- B. organelles
- C. small size
- D. cytoplasm
66
Which if the following organisms is not classified as an animal?
- A. Amoeba
- B. Paramecium
- C. Euglena
- D. Obelia