Before mitosis begins, which happens before the nucleus starts diving? A. The cytoplasm separates.

B. The DNA replicates.

C. The sister chromatids separate.

D. The homologous chromosomes cross over.

Which of the following statements are true chromosomes make up genes

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?