Examlex
Members of the ____ subphylum are now all extinct, but they were extremely numerous in shallow Paleozoic seas. Most of them were dorsoventrally flattened and heavily armored, with two deep longitudinal grooves that gave their body a three-lobed appearance.
Infant
An infant or newborn, generally younger than one year old.
Addicted
A condition characterized by an uncontrollable urge to continue taking a substance or engaging in an activity despite harmful consequences.
Nicotine
A potent chemical found in tobacco products that acts as a stimulant and can lead to addiction.
Birth Process
The series of physical events and medical interventions involved in the delivery of a baby from the womb to the external world.
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