C. Organ System
Like said in the definition above, an organ system is a group of organs working together to perform a specific function for the organism.
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I believe the answer would be d
Answer:
The solar energy is a part of growth. but! the baby will not servive living on only solar
Barbara have both alleles that are dominant. It is because all the
letters for the genotype of the trait are capitalized. It might be that
both of her parents have at least one dominant allele each
Photo receptors are attached to the retina and are most numerous specifically at the fovea