Both humans and dolphins are members of the class mammalia. what is one example of an internal feature that is not similar to both?

skeletal system

lungs

respiratory system

digestive organs

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

The distribution of related animals and plants across the world

Describe characteristics of a good respitory surface