Which of these practices does the most to decrease the amount of water needed to farm?
a-drip irrigation
b-crop rotation
c-cash crops
d-no-trill farming?

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?

One of the purposes of transcription is to produce a sequence of bases that

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm