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What was the main reason for the decline of songbirds in Yellowstone National Park?

• Lack of food sources
• Natural causes
• Human hunting
• Lack of nesting places

Tags

CCSS.RI.4.1

CCSS.RI.4.3

CCSS.RI.4.8

What was the main reason for the decline of gray wolves in the 1800s?

• Natural disasters
• Lack of sunlight
• Lack of food sources
• Human hunting

Tags

CCSS.RI.4.3

What is the role of apex predators in an ecosystem?

• To be the main source of food for other animals
• To be hunted by other animals
• To have no impact on the ecosystem
• To control the population of other animals

Tags

CCSS.L.4.6

CCSS.RI.4.3

What is the meaning of the term 'apex predator'?

• An animal that is not important in an ecosystem
• An animal that is at the bottom of a food chain
• An animal at the top of a food chain
• An animal that is hunted by other animals

Tags

CCSS.RI.3.4

CCSS.RI.4.4

CCSS.RL.3.4

CCSS.RL.4.4

CCSS.RL.5.1

How does the behavior of elk change in the absence of apex predators?

• They become more aggressive towards other animals
• They become more social
• They become less territorial
• They spend more time grazing in one area

Tags

CCSS.RI.4.1

CCSS.RI.4.3

What was the main reason for the decline of willow trees in Yellowstone National Park?

• Natural causes
• Lack of water
• Human hunting
• Lack of sunlight

Tags

CCSS.RI.4.8

What is the impact of removing an apex predator from an ecosystem?

• No impact on the ecosystem
• Decrease in the population of other animals
• Increase in biodiversity
• Decrease in biodiversity

Tags

CCSS.RI.4.3

What is the main reason for the decline of gray wolves in Yellowstone National Park?

• Lack of food sources
• Natural causes
• Human hunting
• Hunting by other animals

What was the main reason for the reintroduction of wolves to Yellowstone National Park?

• To decrease the population of other animals
• To restore balance to the ecosystem
• To control the population of elk
• To increase biodiversity

Tags

CCSS.RI.4.3

CCSS.RI.4.8

What happened to the elk population after the removal of apex predators?

• It remained the same
• It increased significantly
• It had no impact
• It decreased significantly

Tags

CCSS.RI.4.3