You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. you are surprised to find that it is still alive when you return. what has the plant been using for an energy source while in the dark?

The plant holds reserves of starches and sugars in its system during the times in which it has access to light. During periods of darkness, it will access these reserves if there are no other forms of light available or accessible.

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.

They are k strategist i think