Why Do Some Biologists Use the Name Craniata Instead of the Name

question 175

Multiple Choice

Why do some biologists use the name Craniata instead of the name Vertebrata?

• A)Hagfish have a cranium but no vertebrae.
• B)Hagfish are too different from Cephalochordates to be included in that group.
• C)Hagfish are not represented by very many species, therefore cannot be given their own taxonomic grouping.
• D)Hagfish are understudied, therefore can only be grouped with other taxa based on their lack of characteristics.

---

Definitions:

Vulnerable

describes a state of being open to harm, attack, or criticism, often due to a lack of protection or strength.

Active Verbal

The use of words and vocal sounds to engage actively and constructively in communication.

Justification

The process of providing reasons or arguments to support or defend a particular action, decision, or belief.

Excuse

is a justification provided to mitigate responsibility or blame for a perceived wrongdoing or failure, aiming to maintain one's social image or alleviate guilt.