Involves practices including asking questions and constructing explanations One of two or more form of an element with the carrie atomic number but different mass numbers

Give examples of selective advantage of organism’s body part/organ

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

Agroup of organisms that changes over time is said to