Flagella help prokaryotes move.
Flagella and cilia are similar in structure.
Something similar in structure to cilia help prokaryotes move.
something what to cilia help prokaryotes move.
[a] it needs them
[b] Chemical energy
[c] similar in structure
[d] It helps them survive
[e] it keeps an organism warm
[f] major threat to health
[g] An object is seen
[h] The bending of a ray of light