Examlex
True or False: The grade level (K-12)of a student is an example of a numerical variable.
Pathogens
Microorganisms that cause disease in hosts by breaching their immune defense mechanisms.
Biohazard Symbol
A universally recognized symbol used to signal the presence of biological substances that pose a threat to health and safety.
Biological Specimens
Samples of biological material, such as blood, tissues, or cells, used for diagnostic, research, or teaching purposes.
Pathogens
Microorganisms that cause disease in hosts, including bacteria, viruses, fungi, and parasites.
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