Which structure does this organism use for movement?
a. cilia
b. contractile vacuole
c. flagella
d. pseudopodia?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Which enzymes break down carbohydrates?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables