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Why Do These Penguins Kill Their First Egg?

Why Do These Penguins Kill Their First Egg?

Assessment

Interactive Video

Science, Biology

11th Grade - University

Hard

Created by

Wayground Content

FREE Resource

The video explores the peculiar behavior of erect-crested penguins, which lay two eggs but only incubate the second. This behavior, known as obligate brood reduction, is linked to evolutionary adaptations. The first egg is smaller due to energy constraints during migration, and the penguins focus on the second egg for better survival chances. Various theories are discussed, but the behavior is likely a result of evolutionary history and current ecological constraints.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How do the nesting behaviors of erect-crested penguins differ from other crested penguins?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some theories that scientists have proposed to explain the behavior of abandoning the first egg?

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