Unit 3 Review Quiz Coyotes and Ecosystems

Based on what you have learned so far about coyotes, what best describes how they live in their habitats?

• Coyotes are naturally afraid of people and prefer to live by them in busy neighborhoods.

• They communicate by barking to locate pack members.

• They can adapt to different habitats and locations based on food source and seasons.

• They live in the hottest places like the rainforest.

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In the card sort, you learned that coyotes eat mice, squirrels, plants, reptiles and frogs. If the population of these organisms decreased, what could the impact be on the coyotes? Select all that apply:

• The population of the coyotes might increase, as they will have more competition for food.

• The population of the coyotes might decrease, as they will have more competition for food.

• The coyotes may survive by getting energy directly from the sun.

• The coyotes may move to another habitat where there is a greater food source for them.

• The coyotes may adapt to another food source.

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This graph shows the food sources of a red fox in India. According to the data above, what is the most common food source for the red fox in the winter?

• Large domestic animals

• Goat and sheep

• Rodent and lagomorph

• Bird

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Phytoplankton is an example of a producer because it can make (or produce) its own food using energy from the sun. Where are phytoplankton most likely to be found?

• Nearer the surface of the ocean.

• Nearer the surface of the sun

• Very deep in the ocean

• Producer

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Which is an example of a biotic factor in an ocean ecosystem?

• Soil

• Water

• Whale

• Sun

A biologist wants to classify living and non-living factors. Which are examples of biotic factors in an ecosystem? Select all that apply:

• Air

• Producers

• Consumers

• Water

• Soil

Which answer choice shows the correct order in the transfer of energy through an ecosystem?

• Consumer -> Producer -> Sun -> Decomposer

• Sun -> Consumer -> Producer -> Decomposer

• Sun -> Producer -> Consumer -> Decomposer

• Producer -> Sun -> Consumer -> Decomposer

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Which statement(s) are true about decomposers? Select all that apply:

• Decomposers are always producers

• Decomposers break down dead plants and animals

• Decomposers are abiotic

• Decomposers are biotic

• Decomposers recycle nutrients back into the soil.

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What would be the impact on other organisms in the food web if the rabbit population decreased?

• The fox population would increase due to more available food.

• The grass population would decrease due to less grazing.

• The hawk population might decrease due to less prey.

• The snake population would increase due to more available food.

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A conservationist wants to increase the Rabbit population. Based on the food web, what measures could she take? Select all that apply:

• Increase the grass population

• Decrease the grass population

• Increase the fox population

• Decrease the fox population

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