Why Is It Significant That Pollen Contains a Multicellular Male

question 134

Multiple Choice

Why is it significant that pollen contains a multicellular male gametophyte instead of just male gametes?

• A)The non-gamete cells of the male gametophyte control the growth and development of the pollen tube.
• B)The non-gamete cells of the male gametophyte provide nutrition that supports the development of the embryo.
• C)The non-gamete cells of the male gametophyte undergo meiosis.
• D)The non-gamete cells of the male gametophyte provide protection from desiccation and UV radiation.

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Definitions:

Fixed Costs

Expenses that do not change with changes in the volume of production or sales, such as rent, salaries, and insurance.

Variable Costs

Costs that vary directly with the level of production or sales activity.

Contribution Margin Ratio

A financial metric that shows the portion of sales revenue that is not consumed by variable costs and is available to cover fixed costs.

Net Income

The earnings of a company after taking into account all expenses, including operational costs, interest, and taxes, subtracted from its total revenue.