Answer the following question given this paragraph: Q: What is the most effective color in interrupting the nighttime portion of the photoperiod? Choices: - yellow - white light - blue light - red light A:
red light
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? Choices: - speed - density - mass - volume A:
volume
Q: 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? Choices: - experiment - conclusion - theory - hypothesis A:
A: hypothesis
Question: 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? Choices: - no effect - silences it - reduces it - increases it A:
Answer: increases it
*Question*
Answer the following question given this paragraph: Chemoheterotrophs are organisms that get their energy source and carbon source from organic sources. Chemoheterotrophs must consume organic building blocks that they are unable to make themselves. Most get their energy from organic molecules such as sugars. This nutritional mode is very common among eukaryotes, including humans. Q: Which organisms get their energy source and carbon source from organic sources? Choices: - herbivores - ectomorphs - sporozoans - chemoheterotrophs A:
**Answer**
chemoheterotrophs
*Question*
Answer the following question given this paragraph: Did you ever watch a relay race? After the first runner races, he or she passes the baton to the next runner, who takes over. Neurons are a little like relay runners. Instead of a baton, they pass neurotransmitters to the next neuron. Examples of neurotransmitters are chemicals such as serotonin, dopamine, and adrenaline. Q: What do neurons pass to the next neuron? Choices: - contaminants - blood - receptors - neurotransmitters A:
**Answer**
neurotransmitters