Why are you likely to get out of breath more easily when hiking in the morning than at sea level?

Which of these statements are true about scientific theories and hypothesis

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals