Problem: OPTIONS:
- harm them
- stink up
- make up
- recovery
- recycling
- eat up
- poop up
- store
Q: You are presented with the quiz "Organs of waste do what to the waste system?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "organs of excretion make up the excretory system" and "all organisms excrete wastes". So, what's the best answer to the question?
Answer: make up
Problem: OPTIONS:
- Sulfur dioxide
- burning coal
- Medical treatment
- treats
- Good feelings
- cigarettes
- competition
- emissions
Q: You are presented with the quiz "What can cause harm?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "competition may lead to aggressive behaviors or displays of aggression" and "aggression is the desire or intent to cause harm". So, what's the best answer to the question?
Answer: competition
Problem: OPTIONS:
- fish
- graptolites
- starfish
- waste
- humans
- barnacles
- insects
- ferns
Q: You are presented with the quiz "what lack respiratory and excretory systems?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "echinoderms lack respiratory and excretory systems" and "starfish and sea urchins are also echinoderms". So, what's the best answer to the question?
Answer:
starfish