Q: Answer the following question given this paragraph: The frequency , , is the number of cycles an object or wave goes through in 1 second. Frequency is measured in Hertz (Hz). 1 Hz = 1 cycle per sec. Q: In what unit is frequency measured in? A:

OPTIONS:
- mole
- centimeter
- gram
- hertz

A: hertz

input: OPTIONS:
- arthropods
- bivalves
- fungi
- protists Now, answer this question: Answer the following question given this paragraph: Most single-celled eukaryotes are protists. Protists are the simplest eukaryotes. Q: What group includes the simplest eukaryotes, including most single-celled eukaryotes? A:
A:
output: protists

Answer the following question given this paragraph: Today in many countries, death rates have gone down but birth rates remain high. This means that the population is growing. Figure below shows the growth rates of human populations all over the world. Q: Which veins return oxygen-rich blood from the lungs to the heart? A:

OPTIONS:
- jugular
- varicose
- respiratory
- pulmonary

Answer: pulmonary

Problem: OPTIONS:
- feathers
- tail
- feet
- beak
Q: Answer the following question given this paragraph: The size and shape of the beak is related to the food the bird eats and can vary greatly among different birds. Parrots have down-curved, hooked bills, which are well-adapted for cracking seeds and nuts ( Figure below ). Hummingbirds, on the other hand, have long, thin, pointed bills, which are adapted for getting the nectar out of flowers ( Figure below ). Hawks, eagles, falcons and owls have a sharp, hooked beak. Q: What characteristic of birds is related to the food they eat? A:
Answer: beak

Problem:OPTIONS:
- submissive
- evident
- fast
- dominant

Answer the following question given this paragraph: In vascular plants, the sporophyte generation is dominant. In seedless vascular plants such as ferns, the sporophyte releases spores from the undersides of leaves. The spores develop into tiny, separate gametophytes, from which the next generation of sporophyte plants grows. Q: In vascular plants, the sporophyte generation is what? A:
****
A: dominant

Problem:OPTIONS:
- deformations
- latitudes
- deviations
- constellations

Answer the following question given this paragraph: Humans have been studying the night sky for thousands of years. Knowing the motions of stars helped people keep track of seasons. With this information they could know when to plant crops. Stars were so important that the patterns they made in the sky were named. These patterns are called constellations . Even now, constellations help astronomers know where they are looking in the night sky. Q: What are observable patterns of stars found in the night sky called? A:
****
A:
constellations