4th Grade Unit 4 Interdependence USA Review

Which of the following best describes WINTER in a northern state?

• Hot temperatures, rain, longer daylight hours
• Cold temperatures, snowfall, shorter daylight hours
• Mild temperatures, no precipitation, longer daylight hours
• Cold temperatures, no precipitation, longer daylight hours

Which of the following describes FALL in a northern state?

• Cooler temperatures, shorter days, no change in colors of leaves
• Cooler temperatures, longer days, changing colors of leaves
• Warmer temperatures, longer days, changing colors of leaves
• Cooler temperatures, shorter days, changing colors of leaves

Based on the following food chain, which statement is correct?

• The grasshopper is a primary consumer.
• The grass is a decomposer.

• The grasshopper is a producer.
• The mouse gets its energy from the owl.

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If humans overhunted a population of insect-eating birds, what is the first effect that would likely be seen in the area?

• Increase in the insect population
• Decrease in the plant population
• Decrease in the bird population
• Increase in the mammal population

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Squirrels depend on trees for shelter and for food. A decrease in the population of squirrels would be expected as a result of which of the following actions by humans?

• Cutting down trees
• Feeding squirrels
• Digging more canals

• Planting more trees

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An organism that produces it's own food is called a

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An organism that gets its energy from another organism is called a

Mark the organism in this food chain that is a producer

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Organize these options into the right categories

Groups:

(a) Producer

,

(b) Consumer

,

(c) Decomposer

• Hawk

• Mushroom

• Daisy

• Grass

• Coconut Tree

• Bacteria

• Mangrove Tree

• Bear

• Owl

• Fungi

• Shark

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What is best explanation for why animals migrate every season?

• They migrate to get away from the cold.

• They migrate to areas that have a more abundant food source.

• They migrate to exercise their wings

• They migrate to areas with fewer predators.

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