Common abiotic factors that affect an ecosystem are
a: rocks, sunlight, fungi
b: soil, rocks, trees
c: air, trees, water
d: water, soil, sunlight

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?

What is the next step in the process after a substrate enters the active site of an enzyme

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?