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50 Cards in this Set
- Front
- Back
A COMMUNITY IS COMPOSED OF
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POTENTIALLY INTERACTING POPULATIONS OF DIFFERENT KINDS OF ORGANISMS
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ALL ORGANISMS IN A PARTICULAR AREA MAKE UP A
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COMMUNITY
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ONE REASON IT IS IMPORTANT TO UNDERSTAND COMMUNITY ECOLOGY IS
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TO AID IN CONSERVATION OF ENDANGERED SPECIES
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WHAT IS AN EXAMPLE OF PREDATION?
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A HAWK KILLING A SNAKE
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AN OWL AND A HAWK BOTH EAT MICE. WHAT IS A TERM THAT BEST DESCRIBES THE RELATIONSHIP B/W A HAWK AND AN OWL?
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COMPETITION
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ACCORDING TO THE PRINCIPLE OF COMPETITIVE EXCLUSION, TWO SPECIES CANNOT CONTINUE TO OCCUPY THE SAME
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ECOLOGICAL NICHE
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THE ECOLOGICAL RELATIONSHIP B/W TERMITES & THE WOOD DIGESTING PROTOZOANS THAT LIVE IN THEIR GUT IS AN EXAMPLE OF
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MUTUALISM
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A SERIES OF RECIPROCAL ADAPTIONS IN TWO SPECIES DEFINES
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COEVOLUTION
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SOME HERBIVORE- PLANT INTERACTIONS EVOLVED THROUGH A SERIES OF RECIPROCAL EVOLUTIONARY ADAPTATIONS IN BOTH SPECIES. THE PROCESS IS CALLED
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COEVOLUTION
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THE PRIMARY DECOMPOSERS OF A COMMUNITY ARE CALLED
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DETRIVORES
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IN A FOOD CHAIN CONSISTING OF GRASS, GRASSHOPPERS, SPARROWS , AND HAWKS,THE GRASSHOPPERS ARE
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PRIMARY CONSUMERS
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ON EARTH MOST ORGANIC MOLECULES ARE PRODUCED BY
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PHOTOSYNTHESIS
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WITHIN AN ECOSYSTEM A TREEE IS A
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PRODUCER
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AN ORGANISM'S "TROPHIC LEVELS"
REFERS TO |
WHAT IT EATS
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DURING ECOLOGICAL SUCCESION, THE SPECIES COMPOSITION OF A PLANT COMMUNITY
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CHANGES GRADUALLY BECAUSE SPECIES RESPOND DIFFERENTLY TO THE CHANGES IN ENVIRONMENTAL FACTORS
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TRUE OR FALSE
REGARDING FOOD WEBS, SEVERAL SPECIES OF PRIMARY CONSUMERS MAY FEED ON THE SAME SPECIES OF PRODUCER? |
TRUE
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WE EXPECT THE KEYSTONE SPECIES THAT IS A PREDATOR WILL
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MAINTAIN THE SPECIES DIVERSITY IN A COMMUNITY
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NON-NATIVE SPECIES THAT ARE INTRODUCED IN NEW ENVIRONMENTS SPREAD FAR BEYOND THE ORIGINAL POINT OF INTRODUCTION & CAUSE DAMAGE ARE CALLED
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INVASIVE SPECIES
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THE FLOW OF _____ INTO ECOSYSTEMS OCCURS IN ONE DIRECTION ONLY, WHILE _____ ARE RECYCLED WITHIN THE ECOSYSTEM ITSELF.
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ENERGY
CHEMICALS |
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WHICH SUBSTANCE IS CYCLED B/W ORGANIC MATTER & ABIOTIC RESERVOIRS?
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CARBON
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AN ECOSYSTEM IS UNLIKELY TO BE LIMITED BY THE SUPPLY OF _____ B/C IT IS OBTAINED FROM THE AIR.
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CARBON
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THE MAIN CAUSE OF THE RECENT INCREASE IN THE AMOUNT OF CARBON DIOXIDE IN EARTHS ATMOSPHERE IS
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THE BURNING OF LARGER AMOUNTS OF WOOD AND FOSSIL FUELS .
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CARBON MAINLY CYCLES B/W THE BIOTIC & ABIOTIC WORLDS THROUGH PROCESSES OF
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RESPIRATION & PHOTOSYNTHESIS
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WHICH OF THE FOLLOWING CHEMICALS CAN LEAD TO HEAVY ALGAL GROWTH WHEN ADDED TO LAKES & STREAMS?
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PHOSPHORUS & NITROGEN
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A HUMAN EATS A DEER IS AN EXAMPLE OF
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PREDATION
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HUMANS AND SHARKS BOTH EAT FISH IS AND EXAMPLE OF
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COMPETITION
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HUMAN WHO HAVE PETS TEND TO BE HEALTHIER THAN HUMANS WHO DONT. WHICH OF THESE TERMS APPLIES TO THE RELATIONSHIP B/W A HUMAN AND A PET?
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MUTUALISM
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WHICH TERM APPLIES TO THE RELATIONSHIP B/W A DOG AND A TICK?
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PARASITISM
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AN EGRET EATS INSECTS STIRRED UP BY GRAZING ANIMALS. WHICH TERM REFERS TO THE RELATIONSHIP B/W THE EGRET & THE GRAZING ANIMAL?
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COMMENSALISM
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IN AN ECOSYSTEM, PLANKTON ARE
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PRODUCERS
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AN EARTHWORM THATS FEEDS ON THE REMAINS OF PLANTS & ANIMALS IS ACTING AS A
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DESTRIVORE
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WHEN A HUMAN EATS A STEAK, THE HUMAN IS ACTING AS A
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SECONDARY CONSUMER
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A COW EATING GRASS IS AN EXAMPLE OF
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PRIMARY CONSUMER
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A HUMAN WHO JUST ATE A HAMBURGER IS EATEN BY A SHARK WHILE SWIMMING. THE SHARK IS A
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TERTIARY CONSUMER
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CARNIVORES ARE SECONDARY CONSUMERS
TRUE OR FALSE? |
TRUE
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APPROXIMATELY ____% OF THE ENERGY AT ONE TROPHIC LEVEL IS PASSED ON TO THE NEXT HIGHEST TROPHIC LEVEL.
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5- 10
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10,000 KCAL OF PRODUCER COULD SUPPORT APPROXIMATELY _____ KCAL OF TERTIARY CONSUMER .
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10
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WHAT NAME IS GIVEN TO THE PROCESS BY WHICH DETRITIVORES RETURN CARBON TO THE ATMOSPHERE ?
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DECOMPOSITION
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WHAT PHOTOSYNTHETIC ORGANISM REMOVES CARBON FROM THE ATMOSPHERE ?
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ALGAE
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DETRITUS IS COMPOSED OF
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DEAD ORGANIC MATTER & EXCRETORY WASTES
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NITRIFYING BACTERIA CONVERT _____TO ____.
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AMMONIUM
NITRATES |
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______ REMOVES NITROGEN FROM THE ATMOSPHERE.
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NITROGEN FIXATION
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ASSIMILATION IS THE UPTAKE OF NUTRIENTS INTO
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AN ORGANISM
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NITROGEN FIXATION
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IS THE CONVERSION OF NITROGEN TO A FORM THAT PLANTS CAN USE
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NITRIFICATION
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IS THE CONVERSION OF ORGANIC NITROGEN CONTAINING COMPOUNDS TO NITRITES & NITRATES
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DENITRIFYING BACTERIA CONVERT ___ TO ____
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NITRATES
NITRAGEN GAS |
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NITRIFYING BACTERIA CONVERT ____ TO ____ .
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AMMONIUM
NITRATES |
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____ REMOVES NITROGEN FROM THE ATMOSPHERE
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NITROGEN FIXATION
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WHAT ARE THE 2 MAJOR SOURCES OF NITRATE POLLUTION IN RIVERS?
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ANIMAL WASTES & FERTILIZERS
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AQUATIC NITRATE POLLUTION CAN RESULT IN
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AN ALGAL BLOOM THAT, WHEN THE ALGAE DIE & ARE DECOMPOSED BY BACTERIA, LEADS TO HYPOXIA & THE DEATH OF FISH.
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