What is a species that has been studied in great detail and is used to understand specific phenomena in biology? (ther are no answer choices btw)

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

Along what geographical feature are most of the oil producing regions located

Adistinctive characteristic of mammals that is not observed in other vertebrates is