Answer: Frameshift mutations are due to either insertions or deletions of nucleotides
Explanation: Frameshift mutations result in abnormal protein products with an incorrect amino acid sequence that can be either longer or shorter than the normal protein.
Phenotype refers to the observable traits an organism has. An example is blue eyes, black hair.
The ultimate source of energy (for most ecosystems) is the sun<span>. The ultimate fate of energy in ecosystems is for it to be lost as heat. Energy and nutrients are passed from organism to organism through the food chain as one organism eats another.</span>