This is coevolution. Typically hexapods and angiosperms like this moth and orchid are prime examples of coevolution
Prokaryotes: do not have a nucleus, use starch for energy, smaller ribosomes (70s)
eukaryotes: do have a nucleus, use glucose for energy, and have bigger ribosomes (80s)
The answer is D. Instinct
Eagles evolved better over the years to hunt their targets easier, which explains why they have sharp talons, they instinctively use them to hunt their prey.
Hydrogen because it only has one valence electron I believe.
