input: OPTIONS:
- instincts
- learned behavior
- mating
- courtship Now, answer this question: Answer the following question given this paragraph: Courtship behaviors occur in many other species. For example, males in some species of whales have special mating songs to attract females as mates. Frogs croak for the same reason. Male deer clash antlers to court females. Male jumping spiders jump from side to side to attract mates. Q: What type of behavior is frogs croaking or deer clashing antlers an example of? A:
A:
output: courtship

Answer the following question given this paragraph: Q: What is the most effective color in interrupting the nighttime portion of the photoperiod? A:

OPTIONS:
- yellow
- white light
- blue light
- red light

Answer: red light

Problem: OPTIONS:
- speed
- density
- mass
- volume
Q: Answer the following question given this paragraph: Volume measures the amount of space that a substance or an object takes up. The basic SI unit for volume is the cubic meter (m 3 ). Q: What is a measure of the amount of space a substance or an object takes up? A:
Answer: volume

Problem:OPTIONS:
- experiment
- conclusion
- theory
- hypothesis

Answer the following question given this paragraph: After doing the research, the farmer will try to answer the question. She might think, "If I don't plow my fields, I will lose less soil than if I do plow the fields. Plowing disrupts the soil and breaks up roots that help hold soil in place. " This answer to her question is a hypothesis . A hypothesis is a reasonable explanation. A hypothesis can be tested. It may be the right answer, it may be a wrong answer, but it must be testable. Once she has a hypothesis, the next step is to do experiments to test the hypothesis. A hypothesis can be proved or disproved by testing. If a hypothesis is repeatedly tested and shown to be true, then scientists call it a theory . Q: What is another name for a reasonable explanation for something that might be formed near the beginning of a scientific inquiry into a problem? A:
****
A: hypothesis

Answer the following question given this paragraph: Adding a solute increases the boiling point of a pure solvent. This change can be calculated using the equation . Q: Adding a solute does what to the boiling point of a pure solvent? A:
OPTIONS:
- no effect
- silences it
- reduces it
- increases it
increases it

Answer the following question given this paragraph: The Permian Period ended with Earth's second mass extinction. During this event, most of Earth's species went extinct. It was the most massive extinction ever recorded. It's not clear why it happened. One possible reason is that a very large meteorite struck Earth. Another possibility is the eruption of enormous volcanoes. Either event could create a huge amount of dust. The dust might block out sunlight for months. This would cool the planet and prevent photosynthesis. Q: What happened to earth's species during the permian period? A:
OPTIONS:
- evolution
- duplication
- division
- mass extinction

Answer:
mass extinction