Which is an example of a reflex? a. putting on a coat when you see that it is snowing outside b. pulling your foot away after stepping on a sharp object c. laughing at a funny joke told by one of your classmates d. eating a snack when your stomach growls from hunger

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

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

Diagram of the evolution of land plants?