It's depends on the size of molecule. big ones cannot pass the membrane while smaller molecules can.
A. Consumers depend on producers for food.
Autotrophs are organisms that produce complex organic compounds (fats, carbohydrates, proteins). Ex: planta, algae and some bacteria.
Heterotrophs are organisms that can’t produce their own foods (organic compounds) so they rely on eating other organisms (plants or animals) to obtain their energy. Ex: dogs, humans, cats, giraffes, ect.
Answer: the number of cells increases
Explanation:
The changes experienced by a human, from birth to 16 years old in form of growth is facilitated by the increase in the number of cells.
Most tissues in the human body grow by increasing their cell number, but this growth is being monitored and regulated to maintain a balance between the different tissues.