Almost All of Today's Groups of Animals Evolved from Marine

question 63

Multiple Choice

Almost all of today's groups of animals evolved from marine creatures alive at the beginning of the

• A) Cenozoic era.
• B) Precambrian time.
• C) Jurassic period.
• D) Paleozoic era.

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Definitions:

Accessory Muscles

Additional muscles used for increased effort in breathing, particularly when the primary muscles are not sufficient.

Tactile Fremitus

The palpable vibration felt on the chest wall when a person speaks, used in medical examination to assess the condition of the lungs and pleura.

Anteroposterior-to-Transverse

Identifies the relationship or measurement from the front to the back compared to across the widest part, commonly used in medical imaging or anatomical descriptions.