STAAR Prep

Which of the following explains why producers are always found at the beginning of the food chain?

• Consumers are eaten by a variety of producers

• Producers convert light into chemical energy

• Producers are larger than consumers.

• Producers are found in fewer numbers than consumers.

• BET

In which biome is this food web most likely to be found

• forest

• desert

• grassland

• urban (city)

• under a 7th graders fingernails

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Why is the energy pyramid shaped the way it is?

• because everyone loves pyramids

• to show that the energy passed on decreases as you move up trophic levels

• to show that the energy passed on increases as you move up trophic levels

• because its pointing to the Sun

• cuz bet

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In the image above the plant is growing in response to what?

• phototropism

• hydrotropism

• . thigmotropism

• geotropism

• drip

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What is the primary function of the chloroplasts in plant cells?

• To break down sugar molecules to release energy

• To store water and nutrients

• To capture light energy and convert it into chemical energy

• To control the entry and exit of substances in and out of the cell

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In the water cycle, which process involves water vapor cooling and changing into liquid water?

• Evaporation

• Condensation

• Precipitation

• Transpiration

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What is the process by which plants release water vapor into the air through their leaves?

• Condensation

• Transpiration

• Evaporation

• Precipitation

The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemicals on the environment?

• these chemicals are expensive to produce

• runoff carries these chemicals into lakes and streams

• storage space for these chemicals is limited

• these chemicals cannot be purchase in bulk

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The picture below shows the Palo Duro Canyon

in the High Plains ecoregion of Texas. The formation of this canyon was mostly due to --

• the erosion of land over millions of years by the swift-moving

  water of a river.

• tectonic plates causing the uplift of land.

• windstorms blowing away large chunks of land over millions of years

• the chemical weathering of land from acidic rainfall

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Which statement correctly describes the transfer of energy in a food chain in this wetland?

• Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.

• Energy is transferred from marsh grasses to crickets to hawks to frogs.

• Energy is transferred from grasshoppers to crickets to frogs to hawks.

• Energy is transferred from cattails to crickets to shrews to hawks.

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