Category 5 Ecology Alternate

Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

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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In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%
• 20%
• 80%
• 90%

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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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A carbon "sink" is best described as:

• a reservoir that readily releases carbon to another reservoir
• a carbon reservoir that stores more carbon that it is releasing
• something that causes carbon to leak out to the atmosphere
• a carbon reservoir that is releasing more carbon than it is taking in

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In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

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What is true about the pyramid of numbers?

• A. There are more producers than first-level consumers

• B. First-level consumers make up the greatest number of individuals

• C. There are more third-level consumers than second-level consumers

• D. There are more second-level consumers than first-level consumers

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NGSS.MS-LS2-3

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

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In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

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