Órganos principales de la planta donde ocurre la fotosíntesis

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

9. the history of life on earth is recorded in