What would happen if we changed just one variable in an ecosystem

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.

Can someone me i need the answer and don’t understand?