Vocabulary
cells, living, non-living, prokaryotic, eukaryotic, multi-cellular organism, unicellular organism, single-celled, archaea, bacteria, reproduction, protist, cell theory, respiration, digestion, tissue, organ, conservation, sustainability, drought, degradation, urbanization, legislation, ecosystem, habitat, habitat loss, pollution, deforestation, endangered, land management, ecosystems, biological communities, biotic, abiotic, population, composition, abundances, population growth rate, terrestrial ecosystem, biosphere, biomass
, water cycle, runoff, topography, evaporation, transpiration, gravity, condensation, precipitation, infiltration, groundwater, hydrosphere, aquifers, glaciers, crystallization, water vapor, ice, precipitation, galaxy, gravity, spiral galaxy, constellation, spiral galaxy, elliptical galaxy, irregular galaxy, light year