These Events Occur During the Development of the Nervous System

question 15

Multiple Choice

These events occur during the development of the nervous system:
A: Neural groove forms
B: Neural folds approach one another
C: Neural crest cells pinch off from the neural folds
D: Neural folds fuse to form neural tube
Which is the correct chronological order for the events?

• A)a,c,b,d
• B)c,b,d,a
• C)a,b,c,d
• D)b a,d,c
• E)c a,b,d

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Definitions:

Soft Exoskeleton

A flexible external covering or support structure found in some organisms, providing protection and structural support while allowing movement.

Earthworm

A type of invertebrate animal known for its role in aerating soil and breaking down organic material into fertile humus.

Clitellum

A thickened, glandular section of the body found in earthworms and some other annelids, crucial for reproduction.

Fertilization

Fusion of sperm and egg nuclei, producing a zygote that develops into a new individual.