Answer:
C. Viruses
Explanation:
Viruses lack the properties of living things. They have no energy metabolism, they do not grow, they produce no waste products, and they do not respond to stimuli. They also don't reproduce independently but must replicate by invading living cells.
The answer is d) proteins
They both involve topics related to the natural world, and are both based on empirical evidence. <span />
<span>Arms of primates and wings of birds are variations of FORELIMBS</span>