What term is used to describe how well an organism functions in its environment?
A. Selection
B. Evolution
C. Variation
O D. Fitness

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes