Please help me with these two questions I don’t Know these two ill mark you as the best answer

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

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

Anurse is caring for a client who is learning how to take care of a newly created colostomy. when observing a return demonstration of the colostomy irrigation, the nurse evaluates that more teaching is required when the client carries out what procedure?