The one that looks like macaroni and cheese.
So it's letter E.
I believe the bone system that red marrow belongs to is D. Skeletal system.
The two types of succession are primary and secondary. <span> Primary succession is the series of changes that occur on an entirely new habitat which has never been colonized before, while secondary occurs on places that have already been colonized before.</span>
Pigments absorb light used in photosynthesis.Set of wavelengths that a pigment doesn't absorb are reflected.
A)mitochondria and chloroplast:- converts energy,oxygen and carbon dioxide are involved in its processes.
B)mitocondria:- have fluids inside it
C)nucleus and ribosomes:- enclosed by two membranes
