How did different models of change in geology in the pre-Darwinian period influence the way people thought about the process of biological change, e. g., transmutation, extinction, appearance of new species? What were the two main geological models called (be specific) and who were their main proponents?

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from