Answer the following question given this paragraph: Pipettes are small, but important tools in many biology labs. Micropipettes, such as the ones shown here, are calibrated to measure very small amounts of liquids. For example, 100 microliters (100 L) is about half the volume of your little finger tip; or even 1 L, which is much smaller than a drop of water. Q: What kind of pipettes are suitable for measuring very small amounts of liquids? Choices: - clutch pipettes - macropipettes - frozen pipettes - micropipettes A:
micropipettes
Answer the following question given this paragraph: Amphibians have a relatively complex circulatory system with a three-chambered heart. Their nervous system is also rather complex, allowing them to interact with each other and their environment. Amphibians have sense organs to smell and taste chemicals. Other sense organs include eyes and ears. Of all amphibians, frogs generally have the best vision and hearing. Frogs also have a larynx , or voice box, to make sounds. Q: How many chambers does an amphibian heart have? Choices: - four - two - one - three A:
three
Q: Answer the following question given this paragraph: Friction is caused by bodies sliding over rough surfaces. Q: What is caused by bodies sliding over rough surfaces? Choices: - heat loss - tension - vibration - friction A:
A: friction
Question: Answer the following question given this paragraph: This photograph was taken by Apollo 8 crewmember Bill Anders on December 24, 1968, showing the Earth rising above the lunar surface. Gravitational forces keep the moon orbiting the Earth. Q: What forces keep the moon orbiting the earth? Choices: - polar - cosmic - magnetic - gravitational A:
Answer: gravitational
*Question*
Answer the following question given this paragraph: The surface seismic waves do the most damage because they only travel along the surface of the ground. Q: What type of seismic waves do the most damage? Choices: - gravity - sunlight - tension - surface A:
**Answer**
surface
Q: Answer the following question given this paragraph: Fish show great diversity in body size. They range in length from about 8 millimeters (0.3 inches) to 16 meters (about 53 feet). Most are ectothermic and covered with scales. Scales protect fish from predators and parasites and reduce friction with the water. Multiple, overlapping scales provide a flexible covering that allows fish to move easily while swimming. Q: What broad category of animals is primarily ectothermic and covered with scales that facilitate swimming? Choices: - armadillo - turtles - deer - fish A:
A: fish