In the Population Growth Equation, the Main Parameters That Contribute

question 211

Multiple Choice

In the population growth equation, the main parameters that contribute directly to increases, decreases, or stability in population size are

• A) birth and death only.
• B) birth, emigration, and latitude.
• C) immigration and emigration only.
• D) birth, immigration, death, and emigration.
• E) nutrition, population density, mating system, and thermoregulation.

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Definitions:

Prothrombin

A protein in blood plasma that is the precursor to thrombin and plays a key role in blood clotting.

Antibody

A protein produced by the immune system that recognizes and binds to foreign substances, such as bacteria and viruses, to help in their destruction.

Antigen

A substance that provokes an immune response, leading to the production of antibodies.

Erythropoietin

A hormone produced by the kidneys that stimulates red blood cell production in the bone marrow.