Bacteria 19 1
2.2 Cycles of Matter. Water cycle A continuous process by which water moves from Earth’s surface to the atmosphere and back.
Nitrogen Fixation by Cyanobacteria KSU Students Faculty of Science Botany & Microbiology Dept. Supervisor Prof.Dr. Ibraheem IBN.
Bacteria. Characteristics of Bacteria. Smallest and simplest living thing Have no organelles, including no nucleus Genetic material = simple circular.
What is the Nitrogen Cycle?. What is Nitrogen? N for Nitrogen on the Periodic Table Necessary building block in living things Air = 78% Nitrogen gas.
Environmental Science: Section 2-1 Cycles of Matter
