Mr. Fowler was setting out plant samples for his ecology class. The information for four samples was missing. The samples are pictured below. Which of the four samples could be found in a tundra?

Answer is W

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

Crossing over is a method of (blank)?

Besides regulating what enters and leaves the cell, what is another function of your choice from question #1?