Plasma membrane set of tubes with different functions (such as steroid production or detoxification) in different cells 14. region of the nucleus where rna components of ribosomes are built 15. a pair of organelles that aid in eukaryotic cell division by organizing spindle fibers

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.