Input: Answer this question:
Which situation would most likely cause an object to travel in a circular motion?
OPTIONS:
- one force acting on the object in the opposite direction of the motion
- two forces acting on the object in the same direction as the motion
- one force acting on the object perpendicular to the direction of the motion
- two forces acting on the object in different directions to the motion
Answer: one force acting on the object perpendicular to the direction of the motion
Input: Answer this question:
In humans, the amount of sugar in blood is controlled by the release of a hormone called insulin. This process is an example of
OPTIONS:
- depletion
- digestion
- regulation
- excretion
Answer: regulation
Input: Answer this question:
Termites eat wood but cannot digest it. Protozoans live in the termites' stomachs and use enzymes to break down the wood. The digested wood provides nutrition for both the termites and the protozoans. What type of relationship is this?
OPTIONS:
- mutualism
- parasitism
- predation
- commensalism
Answer: mutualism
Input: Answer this question:
Earth rotates on its north-south axis. Which statement best describes one complete rotation?
OPTIONS:
- It takes six months and causes summer and winter seasons.
- It takes 24 hours and causes night and day.
- It takes 29 days, which represents one cycle of the Moon's phases.
- It takes 365 days, which represents one Earth year.
Answer:
It takes 24 hours and causes night and day.