Examlex
Match each description with the most appropriate term.
-a novel trait present in a clade but not in the clade's ancestors
Itchy Eyes
A discomforting sensation around the eyes prompting a desire to rub, often caused by allergies, eye strain, or infections.
Common Cold
A viral respiratory infection causing symptoms like runny nose, sore throat, cough, and sneezing.
Influenza
A highly contagious viral infection of the respiratory passages causing fever, severe aching, and often occurring in epidemics.
Allergy
A hypersensitive immune response to a substance that is normally harmless, causing symptoms such as sneezing, itching, and swelling.
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