Ecology Review

The food chain starts with

• Sun and photosynthesis

• Animals

• Insects

• Clouds

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What type of organism makes its own food?

• consumer
• carnivore
• producer
• animal

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The diagram shows an example of what kind of organism

• Autotroph
• Heterotroph
• Decomposer
• Herbivore

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This graphic diagrams a _______________________.

• Food Web

• Food Chain

• Food Pyramid

• Food Buffet

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An environmental change that removed which of these organisms from the ecosystem would cause the most instability in the ecosystem?

• Auklets
• Foxes
• Salmon
• Zooplankton

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What's the role of consumers in a food chain?

• Use sunlight to make food 
• Eat other species and keep them from overpopulating
• Break down dead stuff
• Add nutrients to the soil

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Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

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How would the biodiversity of this ecosystem be affected if the lantern fish disappeared?

• The ocean sunfish population would increase.
• The large shark population would die out.
• The squid would die out.
• There would be no change.

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Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

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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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