The reason why humming birds need long beaks is to be able to get the nectar from the flowers, kind of like how we need straws to drink out of to go cups. Humming birds also have very long tongues that also help this process. Since humming birds beaks help them get the food they need, it makes them more successful in their environment.
Answer:
D.
Explanation:
It will stay the same no matter how the atoms are rearranged
B. The water is likely contaminated with high levels of pollution or waste
D. because if you think about the dna is the same as thier genetic material/genes whatever you want to call it.
B-monomer
I am not sure about the second one but i think it's C
