After each step in a dichotomous key. the question get (a) more specific (b) less specific (c) more difficuly (d) less dificlut

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

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

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks