For the First Time in Geological History the Actions of a Single

question 53

Short Answer

For the first time in geological history the actions of a single species, ________________ [scientific name], may be causing a sixth mass extinction.

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Definitions:

Social Insurance Taxes

Taxes collected from employees and employers to fund government social insurance programs, such as Social Security and Medicare.

Social Security

A government program that provides financial assistance to people who are retired, disabled, or survivors of deceased workers, funded through payroll taxes.

Medicare

A federal health insurance program in the United States for people who are 65 or older, certain younger people with disabilities, and people with End-Stage Renal Disease.

Payroll Tax

Taxes imposed on employers or employees, and are usually calculated as a percentage of the salaries that employers pay their staff.