Which One of the Following Structures Is Not Found in All

question 47

Multiple Choice

Which one of the following structures is not found in all adult and larval tunicates?

• A)incurrent siphon
• B)excurrent siphon
• C)gill slits
• D)notochord
• E)pharynx

---

Definitions:

Variable Costs

These are expenses that vary directly with changes in production volume or activity level.

Relevant Costs

Costs that should be considered when making a decision because they will be affected by the decision; these costs are future-oriented and differ among alternatives.

Sunk Costs

Costs that have already been incurred and cannot be recovered or altered by any current or future actions.

Unproductive

Refers to resources or activities that do not contribute to the output or efficiency of a process or operation.