Abiotic features are not living. they may play a role in helping biotic creatures live, but them theirselves do not live.
Answer:
Oxygen
Explanation:
The products of cellular respiration are carbon dioxide, ATP, and water. In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.
The beginnings of a brain first become apparent around four weeks after conception when the neural plate folds to form the neural tube
Touching a hot pan and yanking your hand away--That is nervous system.
Going through puberty is controlled by the pituitary gland.
jumping up and down is controlled by the muscular system.
Breathing harder during a jog is controlled by the respiratory system.
Getting energy to sit through class by eating cereal and a banana is controlled by digestive system and muscular system.
hope it helps
