D. Bioramification is the answer
Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. So, if these amino acids are in anyway related to each other, there can be some similar resemblance between the beetles.
Answer:
Red blood cells are adapted to their function by:
1) They contain haemoglobin - a red protein that combines with oxygen. they have no nucleus so they can contain more haemoglobin.
2) They are small and flexible so that they can fit through narrow blood vessels.
3) They have a biconcave shape (flattened disc shape) to maximise their surface area for oxygen absorption.
Hope this helps! :D
A, plant with no fertilizer