The flat structure of a leaf blade enables its function as a photosynthetic organ by
a. decreasing the loss of oxygen into the atmosphere.
b. increasing the absorption of nutrients from soil.
c. protecting the rest of the plant from water loss due to evaporation.
d. exposing a greater surface area to capture energy from sunlight.

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