Although I am not 100% (i am not the best for geography), It must be D. Hope this helps your grade! :3
No. However, energy is required for facilitated diffusion. Also without the membrane, the cell would collapse and wouldn't be able to function.
Answer:
Birds are adapted by changing their beaks.
Yes. Plants use chemical energy to eat and gain energy. Animals mostly get energy from sleeping, and eating
Answer:
They are in organic
Explanation:
Vitamins are organic compounds derived from plants or animals that are needed in the body at small quantities.
They help in the body's metabolism since they enhance enzymatic activities and can act as co-factors.
They are essential for good health such as vitamin A helps in improving eye sight.
Lack of certain essential vitamins can lead to disease ,lack of vitamin D can lead to Rickets.
