Why is primary production and animal life concentrated at the surface in pelagic regions of the open-ocean?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Scientific evidence is most likely to be consistent if it is based on data from

What do transitional fossils best support?