What term is used for the movement of oxygen into the blood of pulmonary capillaries and carbon dioxide into the alveolar air?

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

What type of genetic drift would be simulated if all the beans that were not selected died out?

Coral have a symbiotic relationship with what in order to eat?