Examlex
A statistics professor wants to compare grades in two different classes of the same course. This is an example of a paired sample.
Sponges
Simple aquatic animals belonging to the phylum Porifera, characterized by their porous bodies and an ability to filter feed on particles suspended in water.
Tapeworm
Parasitic flatworms that live in the digestive tract of vertebrates, absorbing nutrients from the host's meals.
Scolex
The head or attachment organ of a tapeworm, equipped with suckers or hooks for attaching to the host's intestine.
Proglottid
One of the segments that make up the body of a tapeworm, each capable of producing eggs and developing into a new organism.
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