Which chart depicts the evolutionary relationship between the hummingbirds and flowers described?
Certain types of red-colored flowers produce nectar that is chemically ideal as food for a hummingbird. The hummingbird can easily locate these flowers because it can see the color red especially well. The recurved petals of these flowers remain out of the hummingbird’s way while it extracts nectar with its long beak that is perfectly suited for the task. As it does so, the hummingbird’s head feathers brush against the flowers, collecting pollen that it carries away and disperses.


The figure in chart (3) illustrates the concept of co-evolution, in which two different species that interact with each other evolve in tandem as a result of that relationship.

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