Pine Trees Have a Land-Based Adaptation

question 78

Multiple Choice

Pine trees have a land-based adaptation.When microsporocytes undergo meiosis to produce microspores,they are then liberated as the

• A)embryo sacs.
• B)ovules.
• C)pollen grains.
• D)zygotes.
• E)egg.

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Definitions:

Marginal Revenue

The added revenue procured by vending an additional unit of a good or service.

Business

An organized effort by individuals to produce and sell goods and services for profit.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the total quantity produced.

Long Run

In economics, a period in which all inputs can be adjusted by firms, allowing for the full impact of decisions to unfold and market to reach equilibrium.