Which of the following protists moves by beating its cilia?
a. paramecium
b. slime mold
c. euglena viridis
d. amoeba

Which of the following is not a classification of marine organisms? a. benthos c. neritic b. nekton d. plankton select the best answer from the choices provided a b c d

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Archaebacteria use for movement. celia flagella pili cell walls