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Parts of an

Ecosystem Nutrition

Changes

in an

Ecosystem

Energy Relation-

ships

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Parts of an Ecosystem for $100

Answer

Any organism that

performs photosynthesis.

Green Plants

(or autotrophs or producers)

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Parts of an Ecosystem for $200

Answer

Any organism that

must obtain food and

eat to obtain nutrients.

Consumer

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Parts of an Ecosystem $300

Answer

Any organism that causes

dead organisms to decay,

recycling nutrients back into

the soil.

Decomposers

(or saprophytes)

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Parts of an Ecosystem for $400

Answer

Term meaning “Organic material”

that is present in an ecosystem. This

type of factor is either an organism

or living component

Biotic Factor

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Parts of an Ecosystem for $500

Answer

Three examples of Abiotic

Factors that could be found in

an ecosystem.

Water, Carbon Dioxide, Oxygen, Temperature,

Terrain, etc.

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Relationships for $100

Answer

Animal that hunts for its

food.

Predator

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Relationships for $200

Answer

Animal that is hunted

and eaten by another

animal.

Prey

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Relationships for $300

Answer

Type of symbiosis where

one organism benefits by

harming another organism

(tapeworms, lice, etc)

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Parasitism

Relationships for $400

Answer

Type of symbiosis where both

organisms benefit from their

close interaction.

Mutualism

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Relationships for $500

Answer

The type of symbiosis where

one organism benefits from a

close interaction and the other

organism is unaffected.

Commensalism

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Nutrition for $100

Answer

What do “Producers”

produce?

Glucose (food)

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Nutrition for $200

Answer

Primary consumers

in a food chain

must always eat

what kind of food?

Producers

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Nutrition for $300

Answer

What percentage of

energy is transferred to

the next trophic level?

10%! most of the energy is lost as

heat a byproduct of cell respiration

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Nutrition for $400

Answer

The term used to describe

animals that eat producers.

Primary Consumers

(Herbivores)

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Nutrition for $500

Answer

Chemical reaction that supplies

food for the entire ecosystem.

Photosynthesis

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Changes in an Ecosystem for $100

…stabilizes ecosystems

Answer

Biodiversity

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Changes in an Ecosystem for $200

If a predator population increases predict what will happen to the prey

population.

Answer

The prey population will decrease.

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Changes in an Ecosystem for $300

If the Kangaroo Rat population crashed, which organisms will

be directly impacted?

Answer

Desert Plants, Hawks, Foxes,

Snakes Back to the

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Changes in an Ecosystem for $400

If a draught causes producer

populations to decline, how will the energy supply of the ecosystem

change?

Answer

Energy at all trophic levels will decrease

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Changes in an Ecosystem for $500

Predict how the predator population will respond in the near future.

Answer

Since prey population just

increased predator population will increase as well

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Energy for $100

All of the energy that is present in an ecosystem comes from this ORIGINAL

source (from outer space)

Answer

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Sun

Energy for $200

Type of organism that can transform light energy into chemical energy

Answer

Producers (autotrophs)

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Energy for $300

Percentage of calories lost at each step up on the food chain.

Answer

90% (10% is passed on)

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Energy for $400

How energy is lost as it is transferred to the next level of the food chain.

Answer

Metabolism of the organism that is eaten

converts energy to heat

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Energy for $500

Inside of all living cells, this molecule, which is made from glucose by cell respiration, can be directly used as an energy

source

Answer

ATP

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This chemical reaction

performed by plants and

animals transforms the carbon

in a sugar to carbon dioxide.

Cellular

Respiration

1

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