Logic of a solution: *Flagella help prokaryotes move. Flagella are hair-like projections from the surface of cells. Hair-like projections from the surface of cells that help prokaryotes move.*
*(E)*
The original question: *What helps prokaryotes move?
Options:
- (A) sensory neurons
- (B) heat energy
- (C) Feet.
- (D) Wheels.
- (E) Hair-like projections.
- (F) Moving vans.
- (G) Chemical energy
- (H) kinetic energy*

Logic of a solution: *Vesicle transport requires energy, so it is also a form of active transport. Absorption comes from active transport. Absorption is a form of vesicle transport that requires energy.*
*(A)*
The original question: *What is a form of vesicle transport that requires energy?
Options:
- (A) absorption
- (B) glucose
- (C) Leptospirosis
- (D) a solute
- (E) Energy.
- (F) bioaerosols
- (G) direct energy
- (H) heat or cold*

Logic of a solution: *Adult worms go through a major transformation to develop reproductive organs. Marine flatworms belong to a major group of worms called the Platyhelminthes. Adult platyhelminthes go through a major transformation to develop reproductive organs.*
*(A)*
The original question:
*When do platyhelminthes reproductive organs develop?
Options:
- (A) when they become adults
- (B) It helps them survive
- (C) produce offspring
- (D) By wind and rain
- (E) during the day
- (F) members of their own species
- (G) an area swollen with pus
- (H) Something coming from a gland*