Answer :
Final answer:
Lice, ticks, flies, and mites are examples of external parasites that live on the outside of their host organisms and obtain nutrients by feeding on their blood or tissue. They can cause health problems and transmit diseases.
Explanation:
Lice, ticks, flies, and mites are examples of external parasites.
These parasites live on the outside of their host organisms and obtain nutrients by feeding on their blood or tissue. They can cause various health problems in their hosts, such as itchiness, skin irritation, and the transmission of diseases.
For example, lice infest humans and can cause itching and discomfort, while ticks can transmit diseases like Lyme disease.
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