Which of the Following Is Characteristic of Sponges and Hydras

question 65

Multiple Choice

Which of the following is characteristic of sponges and hydras?

• A) lack of an actual circulatory system
• B) lack of a reproductive system
• C) lack of a digestive system
• D) lack of a muscle system

---

Definitions:

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

Grades

Evaluations or assessments of a student's performance in educational settings, typically expressed in letters or numbers.

Punishment

An outcome that reduces the chance of a behavior occurring again.

Spanking

A form of punishment involving hitting the buttocks with the open hand, often debated for its effects on child behavior.