What are the results of the experiments that test the nature of a cells genetic material

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

Give examples of selective advantage of organism’s body part/organ