The Assignment of Gender Usually Occurs at Birth and Is

question 21

Multiple Choice

The assignment of gender usually occurs at birth and is usually based on

• A)behavior.
• B)appearance.
• C)genetics.
• D)hormones.

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Definitions:

Commercial Harvest

The collection of commercially important organisms from the wild. Examples include the commercial harvest of parrots (for the pet trade) and cacti (for houseplants).

Foreign Species

Species that are introduced into a habitat where they are not natively found, often causing ecological disruption.

Endemic Species

Species that are native to and found only within a specific geographic area, often isolated by natural boundaries.

Climate Change

Change in Earth’s climate patterns; today mostly caused by increased levels of atmospheric carbon dioxide produced by use of fossil fuels.