What are the three critical features of a nervous system? O absorbing nutrients, muscle contraction, and movement of gases
receiving input, processing information, and initiating a response
structural support, transportation, and secretion
pain receptivity, preventing suffering, and endurance
inhalation, gas exchange, and olfaction

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