The answer is the idea of mutations was understood by both but Lamarck was able to prove it.
D. Number of protons in an atom's nucleus
They all belong to more than one food chain except the frog. The insect is the prey for many food chains, and the snake is widely at the top...
Answer:
It means the entire variability among living organisms. From marine and terrestrial life forms, it also means that each types of these ecosystems hold large diverse species that have even their own subspecies.