The Small, Heart-Shaped Gametophyte Called a Prothallus Is Part of the Life

question 41

Multiple Choice

The small, heart-shaped gametophyte called a prothallus is part of the life cycle of the

• A) mosses.
• B) ferns.
• C) liverworts.
• D) ginkgoes.
• E) gnetophyte.

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of income is taxed, reflecting the percentage of additional income that is taken as tax.

Average Tax Rate

The proportion of total income that an individual or corporation pays in taxes, calculated by dividing the total taxes paid by total income.

Marginal Federal Income Tax

The rate at which the last dollar of a taxpayer's income is taxed by the federal government.

Federal Tax Revenue

Revenue the federal government receives from taxes, including income tax, corporate tax, and other taxes.