Which Statement Best Describes the Hypothesis for Why High Atmospheric

question 121

Multiple Choice

Which statement best describes the hypothesis for why high atmospheric CO₂ limited evolution of large megaphylls?

• A) The CO₂ caused global warming, shading the plants and limiting plant growth capacity.
• B) High CO₂ caused too much damage to plants with large leaves, because of suffocation.
• C) Large leaves captured too much light compared with the amount of CO₂ they could take up, so they stayed small to avoid light.
• D) With high CO₂, more stomata were needed, so the plants with large leaves lost too much water.
• E) With high CO₂, fewer stomata were needed, so the plants had less capacity for evaporative cooling of large leaves.

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Definitions:

Variable Overhead Rate

A financial metric that represents the costs that vary with production levels in manufacturing, calculated as variable overhead costs divided by a measure of activity.

Fixed Manufacturing Overhead

Indirect manufacturing costs that remain constant regardless of the level of production, such as rent, insurance, and salaries of certain employees.

Sales Budget

A financial plan that estimates future sales in terms of units and revenue.

Finished Goods Inventory

Items that have completed the manufacturing process and are ready to be sold to customers.