Which of These Are Polar Molecules with a Tetrahedral Electron

question 33

Multiple Choice

Which of these are polar molecules with a tetrahedral electron geometry?
I. CO₂
II. H₂O
III. CH₃Cl
IV. SiH₄

• A) I and IV
• B) I and III
• C) I, II, and III
• D) III and IV
• E) II and III

---

Definitions:

Microbial Species

A group of microorganisms, such as bacteria, archaea, fungi, and protists, that share similar genetic characteristics and are distinct from other groups.

Horizontal Gene Transfer

The swapping of genetic material in single or multiple-celled organisms through mechanisms that bypass the "vertical" passing down of DNA from ancestor to descendant.

Phylogenetic Species Concept

A concept in biology that defines a species based on the smallest group of individuals that share a common ancestor, representing one branch on the tree of life.

Adaptation

The process by which a species becomes better suited to its environment through the development of physical, behavioral, or physiological changes.