Letter S

SECONDARY CONSUMERS - In a food chain or web, animals that feed on other animals (carnivores).

SPORES - A small, generally single-celled reproductive body, produced by nonflowering plants, fungi, algae and some bacteria, that is able to develop into a new organism.

STATISTICAL ANALYSIS - The tabulation and analysis of numerical data, enabling the presentation of information about a given topic by examining the properties of related variables or factors.

SULFURING - The use of a sulfur treatment as an antioxidant to prevent food from discoloring.