The long, thin beak of the hummingbird fits inside the tube formed by the flower petals. For this reason, the hummingbird is able to sip nectar from the flower, while other animals cannot reach the nectar. The evoluion if the hummingbird beak and the tube shaped flower petals is an example of which macroevolutionary pattern A. Convergent evolution, because the traits evolved separately from one another

B. Adaptive radiation, because both traits evolved from a common ancestor

C. Coevolution, because each trait evolved in response to the other trait

D. Punctuated equilibrium, because each trait evolved at the same rate

The titanic is the answer

Atp is is our little "pocket" of energy. of course, if you have too little, then it means you have too little energy, and you'll pass out. the way to not have enough, is to have no energy sources (glucose, fats, proteins). you can't have too many atp molecules. cycles like the krebs cycle produce it, but if you have too much of any substrate (or too little for that matter), the cycle stops and atp is no longer made (it stops until substrate levels are such that the process can go on). in any case, this is unlikely since atp is constantly hydrolyzed and remade, even while you're asleep. you won't have too much. if you have zero, you are dead or dying.

It forms into a full nebula/star