As Free Oxygen Increased in the Early Atmosphere

question 40

Multiple Choice

As free oxygen increased in the early atmosphere,

• A)most anaerobic organisms perished.
• B)some anaerobic organisms survived in seafloor sediments.
• C)organisms evolved pathways for detoxifying oxygen.
• D)the amount of UV radiation reaching the earth decreased.
• E)all of these happened.

Understand the concepts of behavioral economics with regard to human decision-making.

Understand the four stages of Piaget's theory of cognitive development and identify the milestones in each stage.

Explain the concepts of schema, assimilation, and accommodation in cognitive development.

Compare and contrast heredity and environment in their roles in shaping human development.

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