PLEASE HELP I WILL GOVE BRAINLIEST!! What do mutations cause?

Construct an explanation about the function of mitosis for multicellular organisms

What is the relation ship between structure and function in an organism

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid