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Nutrition
Changes
in an
Ecosystem
Energy
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Parts of an
Ecosystem
Relationships
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Parts of an
Ecosystem for $100
Any organism that
performs photosynthesis.
Answer
Green Plants
(or autotrophs or
producers)
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Parts of an
Ecosystem for $200
Any organism that
must obtain food and
eat to obtain nutrients.
Answer
Consumer
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Parts of an
Ecosystem $300
Any organism that causes
dead organisms to decay,
recycling nutrients back into
the soil.
Answer
Decomposers
(or saprophytes)
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Parts of an
Ecosystem for $400
Term meaning “Organic material”
that is present in an ecosystem. This
type of factor is either an organism
(dead or alive), or some product of an
organism (like feces or tree sap).
Answer
Biotic Factor
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Parts of an
Ecosystem for $500
Three examples of Abiotic
Factors that could be found in
an ecosystem.
Answer
Water, Carbon Dioxide,
Oxygen, Temperature,
Terrain, etc.
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Relationships
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Animal that hunts for its
food.
Answer
Predator
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Animal that is hunted
and eaten by another
animal.
Answer
Prey
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Type of symbiosis where
one organism benefits by
harming another organism
(tapeworms, lice, etc)
Answer
Parasitism
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Relationships
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Type of symbiosis where both
organisms benefit from their
close interaction.
Answer
Mutualism
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The type of symbiosis where
one organism benefits from a
close interaction and the other
organism is unaffected.
Answer
Commensalism
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Nutrition for $100
What do “Producers”
produce?
Answer
Glucose (food)
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Nutrition for $200
Primary consumers
in a food chain
must always eat
what kind of food?
Answer
Green Plants
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Nutrition for $300
Term used to describe
animals that eat both
plants and other animals
Answer
Omnivore
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Nutrition for $400
The term used to describe
animals that eat producers.
Answer
Herbivores
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Nutrition for $500
Term used to describe a
complicated pattern of
overlapping food chains.
Answer
Food web
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Changes in an Ecosystem for
$100
An organism’s role in the
ecosystem
Answer
Niche
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Changes in an Ecosystem
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Process of change that occurs in an
ecosystem as new plant and animal
life enter
Answer
Succession
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Changes in an Ecosystem
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Term used to describe a stable
ecosystem that has completed
succession
Answer
Climax
Community
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Changes in an Ecosystem
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Term used to describe a
foreign species that enters a
new ecosystem and has little
competition
Answer
Alien or
Exotic
Species
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Changes in an Ecosystem
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Failure of a species to adapt to a
changing ecosystem will result in
the ___________ of that species
Answer
Extinction
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Energy
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• All of the energy that is present in an ecosystem
comes from this source
Answer
Sun
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Energy
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• Type of organism that can transform
light energy into chemical energy
Answer
Green Plants
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• Percentage of calories lost at each step up on the
food chain.
Answer
90% (10% is passed on)
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Energy
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How energy is lost as it is transferred to
the next level of the food chain.
Answer
Metabolism of the organism
that is eaten
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Energy
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These two types of organisms must be present in order
for an ecosystem to be self-sustaining.
Answer
Producers and
Decomposers
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Amino Acids
Name for a chain of
Amino Acids
Polypeptide
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