Ques: Q: What are the cells that break down inorganic molecules to supply energy for the cell, and use carbon dioxide as a carbon source? Choices: - staurikosaurus - fluctuations - Sediments - chemoautotrophs A:
Ans: chemoautotrophs

Ques: 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:
Ans: digestive system

Ques: 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:
Ans: gastrovascular cavity

Ques: Q: What kind of energy is specifically defined as the energy that is available to do work? Choices: - used - new - old - free A:
Ans:
free