Organisms within a population must complete for resources to survive ?

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

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

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million