Exploring the Diversity of Hummingbirds in the Andes Mountains

What hypothesis is based on the observations of hummingbirds in the Andes Mountains of Ecuador?

A. Conditions at each elevation favor different hummingbird traits

B. All hummingbird species are able to interbreed at every elevation

C. Elevation changes cause hummingbirds to develop new methods of transportation

D. Individual hummingbirds choose food sources based on their preferences

Answer:

The observations suggest that conditions at each elevation favor different hummingbird traits.

The hypothesis that is based on these observations is: Conditions at each elevation favor different hummingbird traits. This hypothesis suggests that the unique hummingbird species found at different elevations in the Andes have evolved different traits in response to the specific conditions at each elevation. These traits could include adaptations to temperature, humidity, and available food sources.

For example, at higher elevations, the temperature is cooler and there may be less competition for nectar resources. This could lead to the evolution of larger body sizes and longer beaks in hummingbird species found at higher elevations, allowing them to obtain more nectar from certain flowers.

Hummingbirds have adapted to thrive in diverse environments, showcasing their remarkable ability to evolve unique traits based on the conditions they face. The hummingbird species in the Andes Mountains represent a fascinating case study of biodiversity and adaptation.