Molecular Analysis Suggests That the Rapid Diversification During the Cambrian

question 28

Multiple Choice

Molecular analysis suggests that the rapid diversification during the Cambrian explosion may have been due to evolution of the Hox genes.

• A)definite shape and symmetry.
• B)tissues organized into organs and organ systems.
• C)distinct embryonic layers which differentiate into adult tissues.
• D)the Hox genes.
• E)having cells organized into tissue layers.

---

Definitions:

Overprotective

Excessively protective; beyond what is normal or necessary.

Critical

Involving serious analysis or evaluation, often referring to a moment or situation of great importance or a way of thinking that involves careful judgment.

Quiet

Marked by little or no sound, reflecting a state of calmness, stillness, or the absence of disturbance.

Less Cautious

Characterized by a diminished level of carefulness, vigilance, or prudence, potentially leading to increased risk-taking behavior.