Spiders and Certain Other Arthropods Which Lack Jaws or Mandibles

question 35

Multiple Choice

Spiders and certain other arthropods which lack jaws or mandibles are placed in a subphylum called

• A)Agnathae.
• B)Amandibulata.
• C)blood suckers.
• D)chelicerates.
• E)mandibulates.

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Definitions:

Depression

A mental health disorder characterized by persistent feelings of sadness, loss, or anger that interfere with a person’s everyday activities.

Gray Matter

A major component of the central nervous system, consisting of neuronal cell bodies, neuropil (dendrites and myelinated as well as unmyelinated axons), glial cells (astroglia and oligodendrocytes), and capillaries.

Mood Disorders

A category of mental health disorders that primarily affect a person's emotional state, including conditions such as depression and bipolar disorder.

Mania

A mental state characterized by extremely elevated mood, energy, abnormal activity levels, and often impulsive behavior.