LABEL AND EXPLAIN THE PROCESSES AT EACH NUMBER IN THE DIAGRAM ABOVE
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1 HYDROLOGIC CYCLE B 6B 1A 6A 7 6C LABEL AND EXPLAIN THE PROCESSES AT EACH NUMBER IN THE DIAGRAM ABOVE 1A. Evaporation of water from oceans 1B. Evaporation of water from land sources (water and soils) 2. Transpiration releases water vapor from plants 3. Atmospheric winds transport water vapor 4. Condensation occurs 5. Precipitation occurs (rain, snow, sleet) 6A. Runoff of surface rains into bodies of water 6B. Plant uptake of water from soil 6C. Infiltration and percolation of water into the ground 7. Water enters the ground water supplies
2 GIVE EXAMPLES I EXPLAIN WHY WATER IS IMPORTANT TO LIVING THINGS 1. EVERY CELL IS DEPENDENT UPON WATER FOR METABOLIC PROCESSES 2. NECESSARY TO DISSOLVE MATERIALS IN AN ORGANISM AND IN THE ENVIRONMENT 3. WATER IS THE UNIVERSAL SOLVENT CARRIES COMPOUNDS IN OTHER CYCLES AND TRANSPORTS THEM AROUND THE WORLD, STORES COMPOUNDS AS WELL. 4. PLANTS REQUIRE IT FOR PHOTOSYNTHESIS THEREFORE ALL FOOD IS DEPENDENT UPON WATER SUPPLY 5. WATER IS NECESSARY TO DISTRIBUTE HEAT AROUND THE WORLD GIVE EXAMPLES OF HOW HUMANS ARE INTERFERING WITH THE WATER CYCLE 1. GROUND AND SURFACE WATER POLLUTION DUE TO ACID RAIN (CARBON/SULFUR/NITROGEN) CAUSED BY INDUSTRY/FACTORIES 2. AGRICULTURE IRRIGATION AND DEPLETION OF GROUND AND SURFACE WATER 3. DEFORESTATION AND CLEARING OF GRASSLANDS REDUCES VEGETATION AND INTERFERES WITH TRANSPIRATION AND RE-ABSORPTION OF WATER BY PLANTS. 4. GLOBAL WARMING IS INCREASING THE RATE OF EVAPORATION, LOSS OF GLACIERS AND OTHER SURFACE ICE 5. LIVESTOCK RELEASE LARGE AMOUNTS OF PHOSPHORUS AND NITROGEN WASTE WHICH CAN CAUSE EUTROPHICATION IN PONDS/LAKES
3 CARBON CYCLE 2A 2B 8A,B LABEL AND EXPLAIN THE PROCESSES AT EACH NUMBER IN THE DIAGRAM ABOVE 1. Photosynthesis absorbs carbon from the atmosphere 2A. Respiration by animals releases carbon into the atmosphere 2B. Respiration by plants releases carbon into the atmosphere 3. Decomposition of plants and animals releases carbon 4. Atmospheric carbon is absorbed by and released by the oceans 5. Marine organisms perform photosynthesis and respiration 6. Marine organisms with shells and calcium skeletons (corals) from sediments 7. Erosion of ancient limestone and other carbon based rocks 8A. Combustion of fossil fuels 8B. Combustion of forest fires, volcanic eruptions also release carbon 9. Clearing of land destroys biomass releasing stored carbon 10. Extraction of fossil fuels releases carbon
4 GIVE EXAMPLES I EXPLAIN WHY CARBON IS IMPORTANT TO LIVING THINGS 1. STRUCTURE OF ALL LIVING CELLS ALL ORGANISMS ARE ORGANIC 2. STORES ENERGY IN THE CHEMICAL BONDS WITH DIFFERENT ELEMENTS 3. CARBON IS A KEY ELEMENT IN OUR BIOMOLECULES 4. USED BY MANY ORGANISMS TO PRODUCE SHELLS/SKELETONS 5. Carbon (dioxide) is a greenhouse gas allowing life to survive on Earth GIVE EXAMPLES OF HOW HUMANS ARE INTERFERING WITH THE CARBON CYCLE 1. DEFORESTATION / LOSS OF VEGETATIVE HABITATS REDUCES CARBON SINK 2. SLASH AND BURN TECHNIQUE RELEASES MORE CARBON & REMOVES CARBON SINK 3. BURNING OF FOSSIL FUELS RELEASES LARGE AMOUNTS OF CARBON WHICH IS A GREENHOUSE GAS 4. CARBON SEQUESTRATION (DEEP UNDER GROUND) AND PROPOSED COLLECTION METHODS 5. RESPIRATION OF 7 BILLION PEOPLE
5 NITROGEN CYCLE 8A,B,C A 5B LABEL AND EXPLAIN THE PROCESSES AT EACH NUMBER IN THE DIAGRAM ABOVE 1. Plants absorb nitrogen from the soil 2. Consumers eat the plants 3. Decomposition of organisms and their waste products 4. Ammonification of wastes to produce ammonium 5A. Nitrification of ammonium into Nitrites 5B. Nitrification of Nitrites into Nitrates 6. Denitrification of Nitrates into gaseous N 2 7. N 2 is released into the atmosphere 8A. Lightning and volcanic eruptions fix atmospheric N 2 to Nitrates 8B. Production of fertilizers fix Nitrogen, Use of legumes as crops fix Nitrogen 8C. Burning of fossil fuels fixes nitrogen 9. Nitrogen fixing bacteria in soils and some plant roots convert to Nitrates
6 GIVE EXAMPLES I EXPLAIN WHY NITROGEN IS IMPORTANT TO LIVING THINGS 1. NITROGEN IS NEEDED TO FORM MANY BIOMOLECULES FOR PROTEIN SYNTHESIS NUCLEIC ACIDS & NUCLEOTIDES DNA/RNA 2. ENZYMES HORMONES 3. AMINO ACIDS & PEPTIDES TISSUES OF ORGANISMS 4. ALLOW THE MUSCLES TO CONTRACT USED TO MAKE HEMOGLOBIN & ANTIBODIES 5. COLLAGEN - FIBROUS PROTEIN IN YOUR CARTILAGE AND TENDONS CAN BE USED AS AN ENERGY SOURCE IN YOUR CELLS (LAST RESORT) GIVE EXAMPLES OF HOW HUMANS ARE INTERFERING WITH THE NITROGEN CYCLE 1. BURNING FOSSIL FUELS RELEASES NO INTO THE ATMOSPHERE LEADING TO ACID RAIN 2. LIVESTOCK WASTE CONTAINS LARGE AMOUNTS OF N 2 O GAS - GENERALLY IN URINE 3. PRODUCTION AND USE OF FERTILIZERS INCREASES N 2 O IN THE ATMOSPHERE 4. IN LARGE AMOUNTS, RUNOFF CAN CAUSE FISH KILLS AND EUTROPHICATION IN LAKES CAUSING ALGAL BLOOMS, HYPOXIA & DEATH TO AQUATIC ORGANISMS 5. CULTIVATE NITROGEN FIXING CROPS (TO FERTILIZE THE LAND) BUT RELEASES LARGE AMOUNT OF N 2 O INTO THE ATMOSPHERE
7 PHOSPHORUS CYCLE - AN EXTREMELY LONG CYCLE - NO ATMOSPHERIC STAGE!!! 6 1 Decomposition of plants & animals LABEL AND EXPLAIN THE PROCESSES AT EACH NUMBER IN THE DIAGRAM ABOVE 1. Phosphates are leached (released) from rocks and sediments 2. Phosphates runoff into water supplies or soils 3. Plants take up phosphates, animals eat plants 4. Decomposition releases phosphates into the soil 5. Marine organisms use phosphates and become bottom sediments after death 6. Mining of phosphates for use in fertilizers and detergents 7. Phosphates are released in runoff from agriculture fields, sewage systems 8. Phosphates are released in animal waste
8 GIVE EXAMPLES I EXPLAIN WHY PHOSPHORUS IS IMPORTANT TO LIVING THINGS 1. PHOSPHORUS IS NECESSARY FOR THE PRODUCTION OF NUCLEIC ACIDS AND NUCLEOTIDES 2. IMPORTANT PART OF PHOSPHOLIPID LAYER OF CELL MEMBRANES 3. PHOSPHORUS IS A PRIMARY COMPONENT OF THE ENERGY MOLECULE ATP (ADENOSINE TRIPHOSPHATE) WHICH TRANSPORTS CHEMICAL ENERGY THAT IS USED BY OUR MUSCLES AND OTHER ACTIVITY. 4. PHOSPHORUS ALSO ACTS AS A BUFFER, NEUTRALIZING ACIDS TO MAINTAIN NORMAL ph IN THE BLOOD. 5. IMPORTANT ELEMENT TO AID IN BONE AND TEETH STRUCTURE GIVE EXAMPLES OF HOW HUMANS ARE INTERFERING WITH THE PHOSPHORUS CYCLE 1. PHOSPHATE MINES EXPOSE PHOSPHORUS AND IN TURN CREATE RUNOFF (MINED FOR FERTILIZERS & DETERGENTS) 2. REMOVING VEGETATION REMOVES PHOSPHATE FROM ENVIRONMENT 3. PHOSPHORUS IS COMMON IN SEWAGE - DETERGENTS OFTEN CONTAIN PHOSPHATES LEADS TO EUTROPHICATION & HYPOXIA 4. PHOSPHORUS IS PRESENT IN AGRICULTURAL RUNOFF FOUND IN FERTILIZERS - LEADS TO EUTROPHICATION 5.
9 SULFUR CYCLE 3 4A 4B 2B,C,D 2A 1A LABEL AND EXPLAIN THE PROCESSES AT EACH NUMBER IN THE DIAGRAM ABOVE 1. Rocks are sinks for sulfur Sulfur is exposed by weathering/erosion 2A. Sea vents release sulfur into ocean water 2B. Volcanoes release sulfur into the atmosphere 2C. Burning of fossil fuels releases sulfur into the atmosphere 2D. Sulfur in bedrock upwells into ground water and surface water 3. Acid rain forms from atmospheric sulfur 4A. Sulfur in soil is taken up by plants to create biomolecules 4B. Decomposition of animals and plants releases sulfur into the soil
10 GIVE EXAMPLES I EXPLAIN WHY SULFUR IS IMPORTANT TO LIVING THINGS 1. COMPONENT OF PROTEINS 2. USED IN THE PRODUCTION OF COLLAGEN, WHICH IS A SUBSTANCE THAT FORMS CONNECTIVE TISSUES, CELL STRUCTURE AND ARTERY WALLS. 3. SULFUR IS A PART OF KERATIN, GIVING STRENGTH TO HAIR, SKIN AND NAILS GIVE EXAMPLES OF HOW HUMANS ARE INTERFERING WITH THE SULFUR CYCLE 1. BURNING FOSSIL FUELS RELEASES SULFUR CAUSING ACID RAIN SO 2 IS CONVERTED TO SULFURIC ACID H 2 SO 4 2. REFINING AND SMELTING ORES (GOLD,COPPER,etc) RELEASES SULFUR 3. MINING FOR COAL RELEASES SULFUR FROM BEDROCK ACIDIFYING AQUATIC HABITATS 4. SULFUR IN THE ATMOSPHERE CAN INTERFERE WITH INSOLATION AND CAUSE A COOLING OF THE EARTH 5.
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