Q: What is a large space that helps the organism digest & move nutrients around the cnidarian body? Choices: - thorax - abdominal wall - vacuole - gastrovascular cavity A:
gastrovascular cavity

Q: What is the process in which producers get their energy from sources other than the sun? Choices: - electrolysis - phototropism - biosynthesis - chemosynthesis A:
chemosynthesis

Q: Q: Which organ breaks down amino acids and toxins that are in the blood? Choices: - skin - kidney - small intestine - liver A:
A: liver

Question: Q: If the frequency of the electromagnetic wave is the same as the natural frequencies of the system, the transfer of what is much more efficient? Choices: - heat - sound - light - energy A:
Answer: energy

*Question*
Q: What body system consists of organs that break down food, absorb nutrients, and eliminate waste? Choices: - lymphatic system - hormonal system - skeletal system - digestive system A:
**Answer**
digestive system

*Question*
Q: Defined as a substance in foods and beverages that is essential to human survival, what term encompasses water, energy-yielding and body-building substances, and vitamins and minerals? Choices: - molecules - sustenance - calories - nutrients A:
**Answer**
nutrients