Will give ! ! 25 ! were any specific investigations conducted for proposing clements successional theory? was this theory tested or simply expected?

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?