An atom has 18 neutrons, and it protonst How elections
many
b. What is the mass of the atom?
are in this dom?

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?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone