I think it would be A and B
Answer: The inputs, or reactants, of cellular respiration are glucose and oxygen. The outputs, or products, of cellular respiration are water, carbon dioxide
An autotroph is an organism that prepares its own food using simple organic materials whist a heterotroph is an organism that cannot prepare its own food but depends on other organisms for survival.
The answer is <span>fitness; directional.
The longer beaked robin's are having more offspring, compared to the shorter beaked robins, because they are more fit in that environment. That's probably due to the type of seeds that exist in the environment. That fitness is directional because there is</span><span> a phenotype that is favored over other phenotypes.</span>