Which best defines evolution by mean of natural selection?

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

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