Life Science Review

Why do doctors suggest that people get a flu vaccine each year?

• Viruses replicate more rapidly over time.

• Viruses can mutate from year to year.

• Vaccines are absorbed by the body after a year.

• Vaccines get stronger over time.

Malaria is a common disease in many countries. What is the cause of this disease?

• a virus

• a bacterium

• a fungus

• a parasite

Which is a way the agricultural biotechnology industry could have a positive impact on the environment?

• by producing crops that are virus or insect resistant

• by making robots to replace large farm machines

• by reducing the amount of crops that can stand harsh weather

• by increasing the use of wind farms that produce electricity

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NGSS.MS-LS2-5

What is involved in creating genetically modified bacteria that produce insulin?

• allowing them to reproduce freely

• changing their food source

• using biotechnology techniques

• growing them on selected plants

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Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzu can die because they are starved of sunlight. What type of relationship exists between the trees and the kudzu growing on them? (N)

• competition

• mutualism

• parasitism

• predator-prey

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NGSS.MS-LS2-1

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In a food pyramid, which best explains why the number of organisms decreases from one trophic level to the next?

• Consumers at the lower level require more energy than the top-level consumers.

• Consumer at the top level require more energy than the lower-level consumers.

• The consumers are feeding on larger organisms that have less energy.

• The consumers are feeding on smaller organisms that have less energy

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What do transitional fossils (ex. horse's size and hooves) best support?

• the Theory of Biological Evolution

• the Law of Superposition

• the Theory of Geological Evolution

• the Theory of Continental Drift

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Which food provides the most energy for the body in the shortest amount of time?

• potato

• meat

• milk

• fruit

Why is protein an important part of a healthy diet?

• It is needed to change glucose to energy.

• It is needed to store nutrients.

• It is needed to repair tissue.

• It is needed to produce water.

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Which disease is caused by a fungal infection?

• intestinal worms

• influenza

• chicken pox

• athlete's foot