How might an eospirifer fossil be used to determine the absolute age of the rock layer in which it was found?

What is the name for a substance formed in a chemical reaction

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