Context: Today , we did our first opening in the composition notebook that stays in class . Then we went over classroom rules , the behavior card , and the behavior expectations for my class . Then each ship crew taught the class a new one of our eight vocabulary words . The eight words are habitat , community , population , species , environment , ecosystem , abiotic , and biotic .

Question: What kind of class is being taught ?
Options:
0. A biology class .
1. An ethics class .
2. A philosophy class .
3. None of the above choices .
Answer: 0