Your pupil expands in dim light and contracts in bright light.
1) plants
2) sugar
3) all
4) sugar and oxygen
5) not putting fertilizer on the soil
6) glucose
The answer is B An observation about the number or amount of something
Seed plants have an evolutionary advantage for several reasons. For one, the seeds can disperse easily. Furthermore, seeds can time their germination. For example, some seeds only germinate when they experience a period of being frozen.