Q: Depending on the surrounding conditions, normal matter usually exists as one of three phases: solid, liquid, or this? A:
OPTIONS:
- fluid
- crystal
- ice
- gas

Answer: gas

Q: What type of energy does chemosynthesis use to make food? A:
OPTIONS:
- GRAVITATIONAL energy
- CHEMICAL energy
- carbon energy
- chemical energy

Answer: chemical energy

Q: Animals that are endotherms or ectotherms are distinguished by the ability to maintain a constant what? A:
OPTIONS:
- step temperature
- bearing temperature
- Moving Tempature
- body temperature

Answer:
body temperature