The Key Evolutionary Development Seen for the First Time in the Sponges

question 18

Multiple Choice

The key evolutionary development seen for the first time in the sponges is that of:

• A)a complete digestive tract
• B)major organ systems
• C)body symmetry
• D)multicellularity

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Definitions:

Otosclerosis

A condition characterized by abnormal bone growth in the middle ear, leading to hearing loss.

Otic Capsule

The bony structure surrounding the inner ear, protecting the cochlea, vestibule, and semicircular canals.

Intellectual Ability

The capacity to think abstractly, reason, understand complex ideas, learn quickly, and adapt to environmental challenges.

High School Graduates

Individuals who have successfully completed the required coursework and examinations to receive a high school diploma.