Which set of ecological organization levels is most likely to contain the largest variety of a species

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

b. to discover aspects of the natural world.

hopefully i .

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

answer; (b) clear with a slight blue tint;