Plankton are more commonly found in the a.) pelagic zone b.) littoral zone c.) benthic zone d.) all of the above

What is thought to have caused the mass extinction at the end of the cretaceous period?

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis

Which was not a reason why canals were built in florida