Human males possess an XY pairing.
Answer:
the nervous system uses electrical impulses to send signals through neurons, whereas the hormonal system uses chemical messengers transported into blood plasma to target cells.
Explanation:
Hope this helps.
Answer: A. Phenotype
Explanation:
Phenotype: the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Genotypes produce phenotypes.
Answer:
In photosynthesis carbon dioxide is fixed and oxygen is released. In breathing, oxygen is consumed and carbon dioxide is released, releasing energy.
Explanation:
Answer:Because they keep on repeating.
Explanation:
