A student used a microscope to study four members of the phylum ciliophora. members of this phylum move when propelled by hundreds of tiny cilia. although these organisms belong to the same phylum, they are classified as different- a. families
b. species
c. kingdoms
d. orders

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

the scientific method.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .