Which of the Following Statements Is TRUE of Sponges

question 191

Multiple Choice

Which of the following statements is TRUE of sponges?

• A)Sponges have nerve cells that enable them to sense their environment.
• B)Like cnidarians, many sponges produce toxin-generating nematocysts. These cells typically line the pores of sponges.
• C)The choanocytes of sponges and choanoflagellates share no morphological similarities.
• D)Like comb-jellies, sponges possess both a mouth and an anal pore; however, the anal pore is distinctly smaller than the mouth.
• E)None of the answer options is correct.

---

Definitions:

Externality

An economic effect of a transaction that affects third parties who did not choose to be involved in the transaction.

Externality

An externality is a cost or benefit caused by a producer that is not financially incurred or received by that producer.

Market Exchange

The process through which goods, services, or assets are traded between buyers and sellers at a determined price.

Negative Externalities

Unintended and unfavourable outcomes of an activity or transaction that affect third-party stakeholders who did not choose to be involved in that activity.