The Neural Tube of Vertebrates Develops During Morphogenesis of the Nervous

question 18

Multiple Choice

The neural tube of vertebrates develops during morphogenesis of the nervous system by the

• A)folding of ectoderm tissue.
• B)migration of mesoderm cells.
• C)fusion of ectoderm and mesoderm.
• D)contraction of the endoderm away from the mesoderm.
• E)extension of endoderm into a thin spinal column.

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Definitions:

Evolved

The process through which species undergo changes over time, often through genetic variation and natural selection, leading to adaptations and diversity among organisms.

Competitive Exclusion

A principle stating that two species competing for the same resources cannot stably coexist if other ecological factors are constant; one will always outcompete the other.

Paramecium

A genus of unicellular ciliates, commonly studied as a representative of the ciliate group.

Niche Theory

A concept in ecology that describes how an organism fits into its environment, including its role in the ecosystem and interactions with other species.