Slide: explain abiotic and biotic components of different zones of lake ecosystem, i.e., littoral, limnetic, profundal and benthic zones; * 26.1.2 explain abiotic and biotic components of different zones of marine ecosystem, i.e., neritic, pelagic and abyssal or benthic zones; * 26.2 Terrestrial Ecosystem  Forest  Grassland  Desert  Tundra 26.2.1 26.2.2 26.2.3 26.2.4 26.2.5 26.2.6 26.2.7 26.2.8 describe abiotic and biotic components of forest ecosystems, i.e.: a. tropical rain forest, b. coniferous (alpine and boreal) forest, c. temperate deciduous forest; describe the characteristics and ecological importance of different grassland ecosystems, i.e., prairies, savannas and steppes; describe the climatic conditions, common plant and animals found in grasslands and their adaptations to this environment; describe the characteristics, i.e., low precipitation, extreme temperatures and arid conditions and ecological importance of desert ecosystems; describe the common plant and animal species found in deserts and their adaptations to survive in harsh conditions; identify the key characteristics, i.e., low temperatures, short growing seasons and permafrost of tundra ecosystem; describe the common plant and animal species found in tundra and their adaptations to survive in extreme cold and nutrient-poor conditions; locate the major biomes and their respective flora and fauna on a world map.