A student conducts an experiment with a dog and a statue of a dog. The student provides a slice of bread to both the subjects every two hours. Only the dog eats the bread. Which characteristic of life is best demonstrated by this experiment?

ability to obtain nutrients

ability to grow

ability to respond to the environment

ability to reproduceExplanation:

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

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.