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BIOLOGY - pollution 21.3-21.4 - Coggle Diagram
BIOLOGY - pollution 21.3-21.4
POLLUTION
VEDI TAB. P. 274
POLLUTANT
THE RELEASE OF SUBSTANCES FROM HUMAN ACTIVITIES THAT ARE HARMFUL TO THE ENVIRONMENT
LAND
RUBBISH
HARMFUL CHEMICALS
ES. HEAVY METALS
AGRICOLTURAL CHEMICALS
ES. DDT, DIELDRIN
ARRIVE FAR AWAY
PLASTICS
BIODEGRADABLE (ES. WITH STARCH)
NON-BIODEGRADABLE
LANDFILL SITES, RUBBISH DUMPS
MELTING - REMOULDING
INCINERATORS - REDUCE VOLUME - TOXIC GASES
TURTLES - SEE JELLYFISH
WATER
FERTILISERS
DRAIN FROM THE LAND
QUANTITY AND TIME
EUTROPHICATION
LEACHING OF FERTILISERS AND SLURRY (NITROGEN AND PHOSPORUS)
STIMULATE POPULATION GROWTH OF ALGAE (FASTER THAN ANIMALS THAT EAT A) - ALGAE AND CYANOBACTERIA BLOOMS
B RESPIRE AEROBICALLY - OXYGEN DECREASES - FISH AND INVERTEBRATES DIE (CANNOT RESPIRE PROPERLY)
COVER SURFACE LAYERS - WATER TURBIDITY - LESS LIGHT PLANTS BOTTOM OF THE LAKE - PLANTS DIE
DECOMPOSERS SUCH AS BACTERIA (THAT MULIPLY RAPIDLY) FEED ON DEAD PLANTS AND A
A ALSO DIE (COMPETITION FOR RESOURCES AND END OF BLOOMING)
LACK OF OXYEN - ANAEROBIC BACTERIA CONTINUE DECOMPOSING - RELEASING OF HYDROGN SULPHIDE (DETRIMENTAL TO ORGANISMS)
LEACHING = DILAVARE
NITRATES TO MAKE AMINO ACIDS
RYBOSOMES ARE THE SITE OF PROTEIN SYNTHESIS
CONTRACEPTIVE HORMONES
OESTROGEN EE2
URINE - RIVERS - MALE FISH AND AMPHIBIANS
FEMINISATION OR INTERSEX
SPERM DOESN'T DEVELOP PROPERLY
EGGS IN TESTES + PROTEIN EGG YOLK + FEMALE CHARACTERISTICS
DRINKING WATER
FROM RIVERS - SEWAGE
DECREASE IN SPERM COUNT
CHEMICALS
SAME EFFECT
IN PLASTICS
WASTE FROM AGRICOLTURE AND INDUSTRY (SOYA)
SOLUTIONS
CHARCOAL FILTERS
EE2 REMOVED FROM SEWAGE WATER
WATER
TOXIC WASTES
PESTICIDES - TISSUES OF MOLLUSCS
RADIOACTIVE MATERIAL
TOXIC METALS - Hg, Cu, Pb (lead)
FERTILISERS AND SEWAGE - GROWTH OF ALGAE
SEWAGE
ALGAE AND BACTERIA
B - FEED ON ORGANIC MATTER
A - SHORTAGE OF O2
FISH AND SMALL INVEREBRATES DIE OR MIGRATE AWAY