Ecology

An individual belonging to a specific species

• Biotic
• Community
• Organism
• Reptile

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The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

• Producers
• Consumers
• Decomposers
• Inorganic nutrients

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An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

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Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

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What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

All the organisms in a particular location, including their nonliving environment

• ecosystem
• carnivore
• niche
• population

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What does fungi do to dead plants and animals?

• Leave them there
• Decompose them
• Wait for other animals to eat them
• Move away

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What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

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Which of the following leads to a decrease in biodiversity?

• protection of ecosystems
• pollution control
• selective cutting
• introduction of exotic or invasive species

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