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Draw a diagram of a transverse section through a young dicotyledonous stem as seen under the low power lens of a microscope
(2014)
Explain how water enters root hairs and then passes to the vascular tissue.
Phytoplankton is the collective term covering the small photosynthetic organisms which are part of aquatic ecosystems
Read the passage below and answer the questions that follow
The graph shows the growth in human population from 1 AD to present times.
