The changes observed in aging are in part caused by Shortening of the telomeres
DNA replication
Mitosis
Meiosis

How can you approximate the number of calories required to keep you in energy balance?

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Number and variety of living organisms includes genetic, species, and ecological types