Can someone me this is so confusing

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a