What type of disease are in a grem?

What would be an example of hypothesis for goldfish respiration lab

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form