Lodgepole pines, often found in the taiga, have an interesting adaptation for reproduction. These trees produce female cones that are sealed by a thick resin. In order to release their seeds, the resin gluing the cones closed must be melted.
Which of the following will open the cones of lodgepole pines to release their seeds?
A. a drought
B. a tornado
C. a wildfire
D. a hurricane

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.

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.