Answer the following question given this paragraph: Animals may communicate by sight with gestures, body postures, or facial expressions. Look at the cat in Figure below . There's no mistaking the meaning of its arched back, standing hair, and exposed fangs. It's clearly saying "stay away, or else!" Bees communicate with a waggle dance. They use it to tell other bees where food is located. Q: How do bees communicate to tell other bees where food is located? Choices: - wing flapping - mating dance - high pitch noise - waggle dance A:
waggle dance
Answer the following question given this paragraph: Both the elephant and the boy are falling to the ground because of gravity. The force of gravity (F grav ) is greater for the elephant than it is for the boy because the elephant is much more massive. Nonetheless, both of them will reach the ground at the same time (assuming they fall from the same height at the same time and there is no air resistance. ). Q: If an elephant and a boy are falling towards the ground, who will land first? Choices: - the boy - neither will land - the elephant - both same time A:
both same time
Q: Answer the following question given this paragraph: Bacterial Disease Vectors. Ticks spread bacteria that cause Lyme disease. Deerflies spread bacteria that cause tularemia. Q: Ticks spread bacteria that causes what condition? Choices: - Rabies - Malaria - Dengue fever - lyme disease A:
A: lyme disease
Question: Answer the following question given this paragraph: Many objects have color because they contain pigments. A pigment is a substance that colors materials by reflecting light of certain wavelengths and absorbing light of other wavelengths. A very common pigment is the dark green pigment called chlorophyll, which is found in plants. Chlorophyll absorbs all but green wavelengths of visible light. Pigments are also found in many manufactured products. They are used to color paints, inks, and dyes. Just three pigments, called primary pigments, can be combined to produce all other colors. The primary colors of pigments are the same as the secondary colors of light: cyan, magenta, and yellow. Q: Many objects have color because they contain what? Choices: - solvents - vitamins - salts - pigments A:
Answer: pigments
*Question*
Answer the following question given this paragraph: Leucoplasts are plastids that store substances such as starch or make small molecules such as amino acids. Q: Amino acids are made by which kind of plastid? Choices: - neuroplasts - glucoplasts - sporozoans - leucoplasts A:
**Answer**
leucoplasts
Answer the following question given this paragraph: Evolution means change over time. Darwin's theory of evolution says that organisms change over time ( Figure below ). Evolution is seen in the fossil record. It is seen in the way organisms develop. Evolution is evident in the geographic locations where organism are found. It is evident in the genes of living organisms. Evolution has a mechanism called natural selection . The organism that is best suited to its environment is most likely to survive. Evolution is described in the chapter Life on Earth . Q: Organism's changing over time is called? Choices: - generation - heterogenicity - variation - evolution A:
evolution