Reflex Smiles

question 36

Multiple Choice

Reflex smiles:

• A)are seen in newborns
• B)appear to depend on internal stimulus
• C)are usually spontaneous
• D)all of the above

---

Definitions:

Rod-Shaped

Describes an object or organism having a long, narrow, cylindrical form, similar to a rod or stick.

Paired Structures

Structures in biology, architecture, or other fields that occur or function in pairs, often symmetrically.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).

Basic Units

The fundamental components or building blocks of a system, structure, or theory.