The food web model because in a food chain.you only see 3 or 4 organisms. But, in a food web , you see several organisms and how they are linked with each other. It shows more biodiversity.
imaguino las ciencias como un desempeño que funciona con la ilustración de cada imagen q se relaciones con la ciencias dependiendo de su creactividad de sus historia de cada tema
I am confident that the answer should be.....<span>A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.