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Daily Quiz

Daily Quiz. Your house is an example of a(n) ___. a. biotic factor b. habitat c. niche Trees, mosses and shrubs are all examples of what type of factor? a. abiotic b. biotic c. commensalism

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Daily Quiz

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  1. Daily Quiz • Your house is an example of a(n) ___. a. biotic factor b. habitat c. niche • Trees, mosses and shrubs are all examples of what type of factor? a. abiotic b. biotic c. commensalism • The study of interactions between organisms and their environments is called ? a. botany b. cytology c. ecology • If you work at McDonald’s, that is an example of your? a. habitat b. niche c. community • A group of deer that live in a forest is an example of a? a. biosphere b. community c. population

  2. Getting Started: Thurs 1/26/17 • Pick up papers off SILVER CART • TURN IN: Succession cut out activity from yesterday • GET OUT: Succession Notes from yesterday • BEGIN: Succession Journal

  3. Cycles of Matter Gallery Walk What to include on your poster: 1) Name of Cycle 2) Where found? 3) How Used? 4) Key words in the cycle • Picture of cycle When poster is done, bring it to me.

  4. Getting Started: Friday 1/27/17 • Pick up papers off SILVER CART • GET OUT: Cycles of Matter Graphic Organizer • You will have 10 min to go around and fill in your chart from yesterday.

  5. Water Cycle Where found? Underground, atmosphere, and surface of earth…lakes, rivers, streams, etc. How used? Water is continuously cycled through the biosphere Key words: transpiration, evaporation, precipitation, runoff

  6. Carbon/Oxygen Cycle Where found? Plants and animals, water, underground, as fossil fuels, and in atmosphere How used? Carbon and oxygen make up molecules essential for life, CO2 and sugar. Coal and oil are used by humans. Key words: respiration, photosynthesis, combustion of fuels, diffusion

  7. Nitrogen Cycle Where found? Most found in atmosphere. Also found in soil, water, fertilizers, plants and animals How used? Used to make proteins in DNA. Nitrogen can limit the growth of producers….thus the need for fertilizer Key words: nitrogen fixation, denitrification, decomposers, nitrogen fixing bacteria

  8. Phosphorus Cycle Where found? Between producer and consumer, then begins to form rocks and then slowly adds phosphorus back to cycle through erosion How used? Essential for the growth and development of organisms Key words: short term cycle, long term cycle

  9. Ecosystem Recycling Please complete the food web journal at beginning of class.

  10. ENERGY FLOWS THROUGH ECOSYSTEM • WATER—NITROGEN—CARBON—PHOSPHORUS ARE RECYCLED!!! • THEY MOVE THRU A BIOGEOCHEMICAL CYCLE: • ABIOTIC (non-living) PORTION OF ENVIRONMENT (ATMOSPHERE)  LIVING THINGSTHEN BACK AGAIN

  11. Water Cycle • CELLS CONTAIN 70-90% H20 • VERY LITTLE OF EARTHS AVAILABLE H20 IS IN LIVING THINGS • RIVERS / LAKES / STREAMS / OCEANS CONTAIN A BIG % • ATMOSPHERE CONTAIN WATER = WATER VAPOR • GROUND WATER = IN SOIL OR UNDERGROUND IN POROUS ROCK • WATER CYCLE = MOVEMENT OF H20 B/T RESERVOIRS • EVAPORATION • TRANSPIRATION • PRECIPITATION

  12. Evaporation • ADDS H20 VAPOR TO ATMOSPHERE • HEAT CAUSES WATER TO EVAPORATE • 90% OF EVAPORATED WATER FROM TERRESTRIAL ECOSYSTEM PASSES THROUGH PLANTS IN A PROCESS CALLED…

  13. Transpiration • PLANTS TAKE IN H20 THRU ROOTS • RELEASE WATER & TAKE IN CO2 (CARBON DIOXIDE) • ANIMALS DRINK/EAT TO TAKE IN H20 • ANIMALS RELEASE IT WHEN: • BREATHING • SWEATING • EXCRETION

  14. Precipitation • WATER LEAVES ATMOSPHERE • TEMP & AIR PRESSURE (ABIOTIC FACTORS) DETERMINE HOW MUCH WATER CAN BE HELD • ONCE ATM. IS SATURATED W/VAPOR = • SNOW, RAIN, SLEET, HAIL OR FOG

  15. Carbon Cycle • PHOTOSYNTHESIS + CELLULAR RESPIRATION • PHOTOSYNTHESIS= PLANTS & OTHER AUTOTROPHS USE: • CO2 + H20 & SUNLIGHT = CARBOHYDRATES

  16. CELLULAR RESPIRATION • PROCESS IN WHICH AUTOTROPHS & HETEROTROPHS USE OXYGEN (O2) TO BREAKDOWN CARBS. • CELLS MAKE ATP (ENERGY) BY BREAKING DOWN ORGANIC COMPOUNDS • A COMPOUND THAT RESULTS FROM LIVING THINGS & CONTAINS CARBON

  17. HUMAN INFLUENCE ON THE CARBON CYCLE • IN THE PAST 150 YEARS CO2 IN THE ATMOSPHERE HAS RISEN 30% ALMOST ½ IN THE LAST 40 YEARS • DUE TO HUMANS ACTIVITY • BURNING FOSSIL FUEL: • REMAINS OF ORGANISMS THAT HAVE BEEN TRANSFORMED BY DECAY, HEAT, & PRESSURE • ENERGY RICH ORGANIC MOLECULES

  18. BURNING RELEASES ENERGY & CO2 • BURNING VEGETATION RELEASES CO2 • TROPICAL RAINFOREST DESTRUCTION • WITH NO PLANTS CO2 IS NOTABSORBED

  19. Nitrogen Cycle • NITROGEN IS NEEDED TO MAKE PROTEINS & NUCLEIC ACIDS: • ORGANIC MOLECULE, DNA OR RNA, THAT STORES & CARRIES IMPORTANT INFO FOR CELL FUNCTION • N2 (NITROGEN GAS) MAKES UP 78% OF THE ATMOSPHERE • N2 IS HOWEVERLIMITED TO AMMONIA FOR MOST LIVING THINGS

  20. NITROGEN FIXATION • CONVERSION OF N2 TO AMMONIA • CERTAIN BACTERIA CAN CONVERT NH3 = NITROGEN-FIXING BACTERIA • LIVE IN SOIL & IN SOME ROOTS

  21. Recycling Nitrogen • BODIES OF DEAD ORGANISMS CONTAIN “N” • URINE & DUNG ALSO • DECOMPOSERS BREAK DOWN CORPSES & WASTE OF ORGANISMS GIVE OFF NITROGEN AS AMMONIA = AMMONIFICATION • NITRIFICATION = BACTERIA IN SOIL TAKE IN AMMONIA & OXIDIZE IT INTO NITRITES, NO2 & NITRATES, NO3 Back into the environment

  22. DENITRIFICATION • RETURNING NITROGEN TO ATMOSPHERE • PLANTS CAN ABSORB NITRATES & AMMONIA FROM SOIL • ANIMALS CANNOT! • ANIMALS OBTAIN IT BY EATING OTHER ORGANISMS • THEY DIGEST THE PROTEINS & NUCLEIC ACIDS

  23. COMPREHENSION QUESTIONS 1. WHAT IS THE BIOGEOCHEMICAL CYCLE 2. WHERE DO NITROGEN-FIXING BACTERIA LIVE? WHAT CRUCIAL FUNCTION DO THEY PERFORM? 3. DESCRIBE THE ROLE OF DECOMPOSERS IN NITROGEN CYCLE? 4. HOW HAS BURNING FOSSIL FUELS AFFECTED CARBON CYCLE? 5. THROUGH WHAT PROCESS DOES MOST H20 VAPOR ENTER ATM.

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