Aspecialized fleshy stem used for food storage and reproduction is a a.)corm
b.) rhizome
c.) stolon
d.)bulb

structure is maintained and sustained by:

-cytoskeleton: gives cells coherence

-cell wall: support

-cytoplasm: shape

hope this .

can you make it bigger i can't see it

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.